96 % of marine animal species became extinct in the Permian mass extinction. Explain why the blue curve shows only a 50% drop at that time.

Answers

Answer 1

Since families frequently contain many species, the proportion of families that went extinct is lower than the proportion of species that did.

The 96% of marine animal species that perished during the Permian Mass Extinction may not be represented by the blue curve or may be represented on a different scale. The most devastating extinction in Earth's history occurred during the Permian Mass Extinction.

About 96% of all marine species and 70% of all land species went extinct at this time.A specific group of marine animals or other organisms that were spared from the Permian Extinction may be represented by the blue curve.

The information on the blue curve could not be directly comparable because it may be on a different time range or scale than the Permian Extinction.

To know more about extinctions:

https://brainly.com/question/30554101

#SPJ4


Related Questions

1.) Life can thrive with chemical energy alone. It does not need sunlight to thrive.
True or False
2.) The great majority of the minerals we find on our planet today are due to the introduction of oxygen to our planet.
True or False
3.) Trilobites were the first organism to protect itself by creating a hard mineral shell around it.
True or False
4.)
What is the "Red phase" of Earth represent the introduction of?
a. Nitrogen
b. Oxygen
c. Water Vapor
d. Carbon Dioxide

Answers

1.) The statement "Life can thrive with chemical energy alone. It does not need sunlight to thrive" is false because photosynthesis, which converts sunlight into chemical energy, is a vital process for many organisms.

2.) The statement "The great majority of the minerals we find on our planet today are due to the introduction of oxygen to our planet" is true because the presence of oxygen played a crucial role in the formation of many minerals through processes like oxidation and weathering.

3.) The statement "Trilobites were the first organism to protect itself by creating a hard mineral shell around it" is false because trilobites did not create mineral shells.

4.) The "Red phase" of Earth represents the introduction of oxygen, option (b) is correct.

1.) Sunlight provides energy for primary producers, such as plants and algae, which form the base of the food chain. Without sunlight, these organisms would not be able to produce the necessary energy for their survival and the survival of other organisms that depend on them, the statement is false.

2.) Oxygen allowed for the transformation of elements and compounds, leading to the creation of various minerals over geological time. Examples include iron oxide minerals (hematite, magnetite) and various sulfates, carbonates, and silicates, the statement is true.

3.) Trilobites were marine arthropods that lived from the Cambrian to the Permian period. They had exoskeletons made of chitin, a tough organic material, but not minerals. Other organisms, such as some mollusks (e.g., clams) and corals, developed hard mineral shells as protective coverings much earlier in evolutionary history, the statement is false.

4.) The term "Red phase" refers to a significant geological event known as the Great Oxygenation Event (GOE). Around 2.4 billion years ago, cyanobacteria, through photosynthesis, began releasing large amounts of oxygen into the Earth's atmosphere. This oxygen reacted with iron in the oceans, leading to the precipitation of iron oxide minerals, giving the oceans and the Earth's surface a reddish color. The GOE had a profound impact on the planet's atmosphere, paving the way for the evolution of oxygen-dependent life forms and significantly altering the chemical composition of Earth's surface and oceans, option (b) is correct.

To learn more about photosynthesis follow the link:

https://brainly.com/question/29764662

#SPJ4


What is the fastest animal in the world? What is their top
speed? How do they attack their prey?

Answers

The peregrine falcon is the fastest animal, reaching speeds over 240 mph, capturing prey mid-air with talons.

The fastest animal in the world is the peregrine falcon (Falco peregrinus). It can reach speeds of over 240 miles per hour (386 kilometers per hour) during its hunting stoop, making it the fastest animal in powered flight. The peregrine falcon attacks its prey, usually birds, by employing a hunting technique called the stoop.

It begins by soaring at great heights and then rapidly descending towards its prey in a steep, high-speed dive. During this dive, it tucks its wings and adopts an aerodynamic shape to minimize air resistance. As it reaches close proximity to its target, it strikes with its talons to capture and kill the prey. The peregrine falcon's incredible speed and precision in its hunting strategy allow it to effectively catch its prey in mid-air.

To learn more about animal follow the link

https://brainly.com/question/1483551

#SPJ4

which statement is true of noncoding regions of DNA?

Answers

The correct statement about the non-coding regions of DNA is A. They do not contain instructions for specific proteins.

The non-coding regions of DNA are also referred to as junk DNA However, this is not the apt name to define the non-coding regions of DNA. As their name suggests, they do not play a direct role in specific protein synthesis. Still, they have their significance as they constitute genes for t-RNA (transfer RNA) and rRNA (ribosomal RNA). They also have importance in maintaining the genome and gene expression. They have repeated sequences for identification. Non-coding regions constitute about 98.5 to 99% of the genome.

Learn more about ribosomal RNA

https://brainly.com/question/30790841

True/False: The brain weighs about 3.31bs, has 86 billion cells and about 968 trillion connections.

Answers

False. The brain does not weigh about 3.31bs, does not have 86 billion cells, and does not have about 968 trillion connections.

The statement is false. While the brain's weight, the number of cells, and the number of connections can vary from person to person, the numbers provided in the statement are inaccurate.

The weight of the human brain typically ranges from around 2.6 to 3.3 pounds (approximately 1.2 to 1.5 kilograms). However, it's worth noting that brain weight alone does not directly correlate with cognitive abilities or intelligence.

Regarding the number of cells, the human brain is estimated to have around 86 billion neurons, which are the primary cells responsible for transmitting electrical signals. However, the brain also contains other types of cells, such as glial cells, which support and nourish the neurons.

As for the number of connections, also known as synapses, it is challenging to precisely quantify the exact number. Estimates vary, but it is believed that the human brain has trillions of synapses, far exceeding the 968 trillion mentioned in the statement. Synapses play a crucial role in communication between neurons and are essential for information processing in the brain.

In summary, while the brain's weight, number of cells, and number of connections can vary, the specific figures provided in the statement are not accurate.

learn more about Synapses, here

https://brainly.com/question/1852018

#SPJ4

what is the best fruit for grinding in blox fruits

Answers

Answer:

rumble

venom

ice

dough

Buddha

dark

dragon

Phoenix and

soul

Explanation:

please sorry I'm not sure cause it's from the internet

Answer:        Buddha

Explanation: long range spam m1

The scientific name of an organism is composed of two names. the first part identifies the ____ while the second part designates the ____.

Answers

Explanation:

The scientific name of an organism is composed of two names.The first part identifies genus and the second identifies species.

Why are printed versions of garden-path sentences more likely to puzzle you, compared to spoken versions of the same sentence?

Answers

Garden-path sentences are those that at first appear to be grammatically correct and make sense but later prove to be incorrect and confusing. Garden-path sentences cause confusion because they contain words that can be interpreted in more than one way.

The printed versions of garden-path sentences are more likely to puzzle people because, unlike spoken sentences, printed sentences do not provide visual cues such as facial expressions and intonation to help with understanding.Grammatical cues, such as punctuation, are used to indicate the structure of spoken sentences and to clarify any ambiguity that may arise. Because spoken language is more fluid and conversational, the speaker can use tone, inflection, and other verbal cues to direct the listener toward the correct interpretation of a sentence.Printed sentences, on the other hand, lack these cues, which makes them more difficult to interpret. When we read garden-path sentences, our brains try to make sense of the sentence by relying on the structure of the sentence and the meanings of the individual words used. If the structure of the sentence is not clear or if the words used have more than one meaning, it can cause confusion and make the sentence difficult to understand. For this reason, printed versions of garden-path sentences are more likely to puzzle people.

To know more about Garden-path, visit:

https://brainly.com/question/16892042

#SPJ11

just a few elephants can level a forest, functionally transitioning the forest into a plain. because of this, elephants are a...

Answers

Because of their ability to significantly impact and transform their habitat, elephants are considered a keystone species.

Elephants play a crucial role in maintaining the ecological balance of their environment. As large herbivores, they have a massive appetite and require a substantial amount of food each day. In the process of foraging, elephants can cause extensive damage to trees and vegetation, including uprooting and breaking them down. This disruptive behavior leads to the creation of open spaces and clearings within forests, transforming dense forests into more open plains or grasslands.

The transition from a forest to a plain or grassland has profound implications for the ecosystem. It allows for the growth of grasses and other vegetation preferred by grazing animals, creating new habitats and increasing biodiversity. The open spaces created by elephants also facilitate the movement of other animals and support a greater variety of species.

By shaping their environment through their feeding and browsing habits, elephants act as ecosystem engineers, influencing the structure and composition of plant communities. Their role as a keystone species demonstrates the interconnectedness of species within an ecosystem and the significant impact that certain animals can have on shaping and maintaining habitat diversity.

Know more about Habitat here:

https://brainly.com/question/28853861

#SPJ8

By what mechanism do plant cells tend to elongate along one axis instead of expanding in all directions?

Answers

Plant cells tend to elongate along one axis instead of expanding in all directions through a process known as cell elongation or cell expansion.

The anisotropy of the cell wall: The cell wall is comprised of an organization of cellulose microfibrils, which are organized in a way that is pretty much lined up with the long hub of the cell.

This plan of the cellulose microfibrils gives the cell wall a more noteworthy rigidity in the longitudinal heading than in the cross-over course.

Thus, when the cell turgor pressure (the strain applied by the water inside the cell) builds, the cell wall can grow more effectively in the longitudinal bearing than in the cross-over heading. This makes the cell lengthen along the longitudinal hub.

The presence of development controllers: Development controllers are synthetic compounds that manage the development of plants. Some development controllers, like auxin, advance cell lengthening.

Auxin is delivered in the tips of plant cells, and it is shipped down the cell in a basipetal course. This prompts the cells at the lower part of the cell to stretch more than the cells at the top. This distinction in prolongation makes the cell stretch along the longitudinal pivot.

The presence of microtubules: Microtubules are protein fibers that assume a part in cell division and cell stretching. Microtubules are organized in a manner that is opposite to the long hub of the cell. This game plan of the microtubules assists with keeping the cell from extending in the cross-over course.

To know more about cell division:

https://brainly.com/question/29773280

#SPJ4

A greenhouse is a building where plants can be grown. it has walls that allow light and air inside. the amount of water and nutrients the plants receive can be controlled. a farmer wants to make his greenhouse into a good model for testing how crops will grow in a large field. which is the best way to do this? remove the walls of the greenhouse put windows around the field to make it like the greenhouse re-create the soil and water conditions of the field in the greenhouse place tiny models of farm equipment in the greenhouse

Answers

A greenhouse is a building where plants can be grown. It has walls that allow light and air inside. The amount of water and nutrients the plants receive can be controlled. The best way for a farmer to make his greenhouse into a good model for testing how crops will grow in a large field is to recreate the soil and water conditions of the field in the greenhouse.

The farmer wants to ensure that the results of his greenhouse tests accurately reflect the conditions in which the crops will grow in the field. Therefore, it is essential to recreate the soil and water conditions of the field in the greenhouse. The farmer can take soil samples from different parts of his field and analyze them to determine their pH level, nutrient composition, and texture. He can then use this information to modify the soil in his greenhouse to replicate the soil conditions of the field. Similarly, he can analyze the water in his field and adjust the water in his greenhouse to match the water in the field. Once the soil and water conditions are replicated, the farmer can plant the same crops in the greenhouse that he plans to plant in his field. He can monitor the growth of these crops, taking into account factors such as temperature, humidity, light, and air circulation, to get a good indication of how the crops will grow in his field. Thus, by recreating the soil and water conditions of the field in his greenhouse, the farmer can make his greenhouse into a good model for testing how crops will grow in a large field.

To know more about greenhouse visit:

https://brainly.com/question/13390232

#SPJ11

Answer:  c

Explanation: js took the assignment

Draw both chair conformations of cyclohexane. label the axial hydrogens a and the equitoral hydrogens e.

Answers

Cyclohexane is a 12-hydrogen -membered carbon ring.

The chair conformation's hexagonal carbon atoms alternate axial and equatorial orientations. This shape has six axial and six equatorial hydrogens. The axial hydrogens are upright, parallel to the ring's axis, while the equatorial hydrogens are slightly tilted, pointing outward.

Axial hydrogens are "a" and equatorial hydrogens are "e". The chair conformation's carbon atoms have one axial and one equatorial hydrogen.

In the chair conformation of cyclohexane, the axial hydrogens (labelled "a") and equatorial hydrogens (labelled "e") are labelled according to their ring structural orientations.

Learn more about cyclohexane, here:

https://brainly.com/question/17019157?

#SPJ4

The electrocardiogram (ecg) complex represents the electrical events occuring in _____

Answers

The heart.

More specifically, it is a line representation of what the heartbeat looks like. There are three main components to an ECG: the P wave, which represents depolarization of the atria; the QRS complex, which represents depolarization of the ventricles; and the T wave, which represents repolarization of the ventricles.

Which of the following breeds would be considered one of the two most popular meat breeds?

Lincoln

Cheviot

Hampshire

Merino

Answers

Among the breeds listed, Hampshire is considered one of the two most popular meat breeds. It's important to note that breed popularity can vary based on geographic location, market demands, and specific breeding objectives.

Hampshire sheep are widely recognized for their meat production qualities and are commonly raised for meat production purposes. They have a good growth rate, high muscle content, and produce lean and flavorful meat, making them a preferred choice for meat production.

The other popular meat breed varies depending on the region and specific farming practices. However, one commonly recognized breed is the Suffolk. Suffolk sheep are renowned for their meat production capabilities and are popular among farmers for their fast growth, muscular build, and high-quality meat.

Different regions may have different preferences for meat breeds based on local conditions, consumer preferences, and production systems. Therefore, the second most popular meat breed may differ based on these factors.

for more questions on breeds

https://brainly.com/question/30606651

#SPJ8

Color vision in later adulthood may decline because of a yellowing of the ______ of the eye.

Answers

Color vision in later adulthood may decline because of a yellowing of the lens of the eye.

Explanation:

Yellowing of the lens of the eye is one of the common changes that occur in the eye as people age. It is a natural part of the aging process of the human eye, but it may cause certain problems with vision.In particular, this yellowing can lead to a decline in color vision, making it more difficult to distinguish certain colors, particularly blues and greens. This can make it harder to drive at night or in low-light conditions, as well as other activities that rely heavily on color vision.

The yellowing of the lens of the eye is commonly referred to as a cataract, which can occur in either one or both of the eyes. The condition is treatable, and many people who undergo cataract surgery report improved vision and a better quality of life.

To know more about lens of the eye visit:

https://brainly.com/question/30765501

#SPJ11

The first step in controlling vaginal bleeding after delivery of the placenta is to?

Answers

The first step in controlling vaginal bleeding after delivery of the placenta is to perform uterine massage.

What is Uterine massage ?

By compressing blood vessels uterine contractions brought on by uterine massage can help reduce bleeding by lowering the risk of postpartum hemorrhage. Usually the flat part of the palm is used to gently press down on the lower abdomen just above the pubic bone.

A medical expert with the necessary education and postpartum care experience should massage the uterus. If significant bleeding does not stop despite uterine massage or if there are indications of severe bleeding  it is crucial to seek immediate medical assistance.

Learn more about Uterine massage here : brainly.com/question/30388320

#SPJ4

Suppose you are developing a test to better detect toxins in the bloodstream. You want to create a test that can detect toxins every time they are present, but you do not want the test to come back positive if toxins are not actually present. If you succeed, your test will be superior to others because you have improved the
A. response bias.
B. difference threshold.
C. absolute threshold.
D. stimulus signal.

Adoption studies are an important tool of behavioral genetics because they
A. allow us to examine the effects of nonrelated mothering.
B. allow us to look at the contributions of environment and genetics on behavior.
C. are so rare.
D. show that environment overwhelms the effect of genes

Answers

In the context of developing a test to detect toxins in the bloodstream, the superior test would be the one that can detect toxins when they are present without yielding false positives when toxins are absent. The option that best describes this improvement is A. response bias.

Response bias refers to the tendency to respond in a particular way, either consistently or systematically. In this case, the aim is to minimize the bias of the test to generate false positives, which would indicate the presence of toxins when they are not actually there.

Adoption studies in behavioral genetics serve as an important tool because they allow researchers to examine the contributions of both environment and genetics on behavior. Option B correctly describes the purpose of adoption studies.

By comparing individuals who have been adopted and raised in different environments, researchers can differentiate the effects of genetic factors from environmental influences on various behavioral traits. This helps in understanding the complex interplay between genes and the environment in shaping human behavior.Option a is correct.

For more such questions on toxins

https://brainly.com/question/29513150

#SPJ8

which type of sentence is this? dayliliesâ€â€hardy perennial plants of the lily familyâ€â€are popular for home gardens due to their low-maintenance nature and their tolerance of both drought and frost.

Answers

The given sentence is a declarative sentence. A declarative sentence is a sentence that makes a statement or declaration and conveys factual information. This type of sentence is used to state a fact, opinion, or idea. It ends with a period and often used to express feelings, facts, and ideas.

The sentence provided, "Daylilies—hardy perennial plants of the lily family—are popular for home gardens due to their low-maintenance nature and their tolerance of both drought and frost" is a declarative sentence as it makes a statement about daylilies being a hardy perennial plant and their popularity in home gardens due to their low-maintenance nature and ability to tolerate both drought and frost conditions.

Learn more about drought:

https://brainly.com/question/33274765

#SPJ11

The researchers used the phrase "small secreted proteins" (SSPs) to refer to proteins less than 100 amino acids in length that the fungi secrete; their function is not yet known.

(a) What is most striking about the Table 1 data on SSPs?

Answers

Thе protеins that thе fungi rеlеasе and whosе function is currеntly unknown wеrе rеfеrrеd to by thе rеsеarchеrs as "small sеcrеtеd protеins" (SSPs). Thе most rеmarkablе aspеct of thе SSP data from thе tablе is how many morе gеnеs thеrе arе for SSPs in L.

Small sеcrеtеd protеins (SSPs), which makе approximatеly 40–60% of thе complеtе fungal sеcrеtomе and arе found in all еvolutionary groupings of fungi, span thе full rangе of phеnotypеs. Thеy typically havе a signal pеptidе and arе lеss than 300 amino acids long.

A sеcrеtеd protеin is onе that, following cеll synthеsis, is rеlеasеd into thе еxtеrnal еnvironmеnt. Examplеs includе salivary pеpsin, amylasе, digеstivе еnzymеs, antibodiеs, and a small amount of hormonеs.

To learn more about small sеcrеtеd protеins, visit:

https://brainly.com/question/30670771

#SPJ4

true or false? the lesser gluteal muscles (gluteus medius and minimum) function primarily as hip extensors in chimpanzees but in modern humans, they function as hip abductors, stabilizing the hip during locomotion.

Answers

The given statement "the lesser gluteal muscles (gluteus medius and minimum) function primarily as hip extensors in chimpanzees but in modern humans, they function as hip abductors, stabilizing the hip during locomotion" is False because The gluteus medius and gluteus minimus muscles do not primarily function as hip extensors in chimpanzees or as hip abductors in modern humans.

In both chimpanzees and humans, these muscles primarily function as hip abductors. In chimpanzees, as in humans, the gluteus medius and gluteus minimus muscles play a crucial role in stabilizing the hip joint during locomotion. During bipedal walking in humans, these muscles are responsible for maintaining pelvic stability by preventing excessive drop of the opposite hip as the foot is lifted off the ground.

While there are differences in the anatomy and function of these muscles between chimpanzees and modern humans, it is important to note that both species utilize the gluteus medius and gluteus minimus primarily as hip abductors.

The evolution of bipedalism in humans has led to adaptations in the musculoskeletal system, including changes in the function and biomechanics of these muscles to suit the demands of upright walking and stability.

Know more about musculoskeletal system here:

https://brainly.com/question/1283837

#SPJ8

when a nucleus of 235u235u undergoes fission, it breaks into two smaller, more tightly bound fragments.

Answers

When a nucleus of 235U undergoes fission, it breaks into two smaller, more tightly bound fragments. The fission process releases a large amount of energy.

The uranium-235 nucleus is bombarded with a neutron, which causes it to become unstable and split into two lighter nuclei.

This process is called fission.

Fission can be explained as a nuclear reaction in which the nucleus of an atom splits into two or more smaller nuclei as a result of a neutron striking the nucleus. It is a process by which a heavy nucleus splits into two lighter nuclei with the release of a large amount of energy. In the case of the 235U nucleus, it breaks into two smaller nuclei. The sum of the mass of the fragments is less than the mass of the original nucleus, and the difference in mass is converted into energy according to Einstein's mass-energy equivalence formula:

E=mc².

The energy released in nuclear fission can be used to produce electricity in nuclear power plants.

To know more about tightly bound fragments visit:

https://brainly.com/question/29855834

#SPJ11

What impact can a volcanic eruption have on climate climate is warmed from the heat of the eruption. climate is warmed from the heat of the eruption. climate is warmed as dust increases the greenhouse effect. climate is warmed as dust increases the greenhouse effect. climate is cooled as dust falls from the sky. climate is cooled as dust falls from the sky. climate is cooled as dust blocks incoming sunlight. climate is cooled as dust blocks incoming sunlight.

Answers

Volcanic dust that falls to the ground can cool the climate by reflecting incoming solar radiation back to space. Climate is cooled as dust blocks incoming sunlight:Volcanic dust can also block incoming sunlight, reducing the amount of solar radiation that reaches the Earth's surface.

A volcanic eruption can have different impacts on the climate, as follows:Climate is warmed from the heat of the eruption.

Climate is warmed as dust increases the greenhouse effect.Climate is cooled as dust falls from the sky.Climate is cooled as dust blocks incoming sunlight.

A volcanic eruption can inject a variety of gases and particles into the atmosphere that have both short-term and long-term consequences for the climate. The duration and intensity of the eruption, as well as the specific substances released into the atmosphere, can all influence the magnitude and nature of the effects on climate.

Climate is warmed from the heat of the eruption:

Volcanic eruptions can warm the climate by releasing heat into the atmosphere. Climate is warmed as dust increases the greenhouse effect:

Volcanic ash and other particles that are ejected into the atmosphere can act as a barrier, absorbing heat and warming the air. Climate is cooled as dust falls from the sky:

Volcanic dust that falls to the ground can cool the climate by reflecting incoming solar radiation back to space. Climate is cooled as dust blocks incoming sunlight:

Volcanic dust can also block incoming sunlight, reducing the amount of solar radiation that reaches the Earth's surface.

To know more about Volcanic visit:

https://brainly.com/question/30437501

#SPJ11

refinementofthe22q12-q13breastcancer–associatedregion:evidenceoftmprss6 as a candidate gene in an eastern finnish population

Answers

The study aimed to refine the 22q12-q13 breast cancer-associated region and demonstrated the evidence of TMPRSS6 as a candidate gene in an eastern Finnish population.

In Finland, the population shows the highest incidence rate of breast cancer in the world.

Despite this high incidence rate, the role of genetic variants remains unknown.

Therefore, to analyze the genome-wide association study (GWAS) data of breast cancer cases, the study refined the 22q12-q13 region.

The study aimed to identify possible candidate genes related to breast cancer in the Finnish population.

The study employed a population-based case-control study of 964 invasive breast cancer cases and 1280 controls from the region of North Karelia, Finland.

The study used an Illumina HumanOmni2.5Exome-8v1_B array for genotyping.

The findings showed that the single nucleotide polymorphism (SNP) rs17231520 located in the 22q12.1 region had the strongest association signal.

Further analysis revealed that the SNP rs17231520 was the best candidate to explain the association in the 22q12-q13 region with breast cancer in the Finnish population. The study showed that the SNP rs17231520 was located within the intron of the TMPRSS6 gene.

Therefore, TMPRSS6 is the best candidate gene in the 22q12-q13 region to explain the association of breast cancer in the Finnish population.

To know more about breast cancer visit:

https://brainly.com/question/29456717

#SPJ11

he bleomycin animal model: a useful tool to investigate treatment options for idiopathic pulmonary fibrosis

Answers

The bleomycin animal model has been widely used in IPF research and has contributed significantly to our understanding of the disease. While animal models cannot fully replicate the complexity of human diseases,

they provide a valuable tool for investigating disease mechanisms and developing new treatments.

The bleomycin animal model is a useful tool to investigate treatment options for idiopathic pulmonary fibrosis (IPF). This model involves the injection of bleomycin, which is a cytotoxic antibiotic, into the lungs of animals such as mice and rats.

The bleomycin causes lung injury and inflammation, leading to the development of fibrosis over time.Scientists can use this model to study the pathogenesis of IPF and to test potential treatments for the disease.

By observing the effects of various treatments on the progression of fibrosis in the bleomycin animal model, researchers can gain valuable insights into the mechanisms underlying the disease and identify promising therapeutic approaches.

The bleomycin animal model has been widely used in IPF research and has contributed significantly to our understanding of the disease. While animal models cannot fully replicate the complexity of human diseases, they provide a valuable tool for investigating disease mechanisms and developing new treatments.

To know more about bleomycin visit:

https://brainly.com/question/31837607

#SPJ11

chordates include: tunicates and echinoderms. cephalochordates and arthropods. mollusks and cnidarians. tunicates and vertebrates.

Answers

The correct statement is; Chordates include tunicates and vertebrates. Option D is correct.

Chordates are a phylum of animals that possess a notochord, a dorsal nerve cord, pharyngeal slits, at some point in their life cycle. Tunicates, also known as sea squirts, are marine invertebrates that belong to the subphylum Tunicata within the chordates. Vertebrates, on the other hand, are a subphylum of chordates that possess a vertebral column (backbone).

Echinoderms, cephalochordates, arthropods, mollusks, and cnidarians are not chordates. Echinoderms, such as starfish and sea urchins, belong to a separate phylum called Echinodermata. Cephalochordates, represented by lancelets, are a subphylum of chordates. Arthropods, which include insects, crustaceans, and arachnids, belong to the phylum Arthropoda. Mollusks, such as snails, clams, and octopuses, belong to the phylum Mollusca. Cnidarians, such as jellyfish and corals, belong to the phylum Cnidaria.

Hence, D. is the correct option.

To know more about Chordates here

https://brainly.com/question/12406059

#SPJ4

--The given question is incomplete, the complete question is

"Chordates include: A) tunicates and echinoderms. B) cephalochordates and arthropods. C)  mollusks and cnidarians. D) tunicates and vertebrates."--

If the amount of salt in a saline solution (saltwater solution) is increased, the amount of water in the solution will stay the same, but the concentration of water will ____________.

Answers

If the amount of salt in a saline solution is increased, the amount of water in the solution will stay the same, but the concentration of water will decrease. This is because the salt ions will displace some of the water molecules, reducing the concentration of water.

If the amount of salt in a saline solution (salt water solution) is increased, the amount of water in the solution will stay the same, but the concentration of water will decrease in the saline solution.

The concentration of the solution refers to the amount of substance present in the solution with respect to the solvent. In this case, the solute is salt and the solvent is water. So, the ratio of the amount of salt and water will determine the concentration of the solution. Since the amount of salt is increased in the solution while keeping the same amount of water, the ratio of salt to water will increase but the concentration of water will decrease.

Learn more about solvent

https://brainly.com/question/30452436

How does the vascular tissue system enable leaves and roots to function together in supporting growth and development of the whole plant?

Answers

This is because the vascular tissue system is responsible for transportation of nutrients, minerals, and water throughout the plant.

The xylem is responsible for the transport of water and minerals, while the phloem is responsible for the transport of nutrients.In addition to transportation, the vascular tissue system also plays a role in structural support. The xylem provides support to the plant by strengthening the stem, while the phloem helps to maintain the shape of the plant.The leaves and roots work together to ensure that the plant is able to absorb the nutrients, minerals, and water it needs to grow and develop. The leaves are responsible for photosynthesis, which creates glucose and oxygen for the plant. The roots are responsible for absorbing water and minerals from the soil. The vascular tissue system then transports these substances throughout the plant, allowing it to grow and develop efficiently.

To learn more about nutrients
https://brainly.com/question/30568687
#SPJ11

peacemaking among higher order primates - jordan b peterson: jordan b peterson fulltext jordan peterson

Answers

Peacemaking among higher order primates - Jordan B.

Peterson Higher-order primates have mechanisms that facilitate peacemaking in times of conflict. Jordan B. Peterson, a clinical psychologist and professor at the University of Toronto, claims that we humans share many traits with these primates and suggests that our conflict resolution mechanisms may have evolved from them. These mechanisms include behaviors such as reconciliation, mediation, and appeasement.

According to Peterson, mediation is the most effective peacemaking mechanism among primates. When two individuals are in conflict, a third neutral individual can intervene and help them resolve their differences. The mediator might use calming signals, such as touching or grooming, to defuse the situation and encourage reconciliation. Appeasement is another peacemaking mechanism among primates. An individual may offer a gift or gesture of submission to placate an aggressor. This behavior can de-escalate a situation and prevent further conflict.

Reconciliation is perhaps the most important mechanism of peacemaking among primates. After a conflict, individuals may engage in a series of behaviors to repair the relationship. This might include grooming, touching, or sharing food. These behaviors can help to rebuild trust and foster cooperation among individuals who were previously in conflict.In conclusion, higher-order primates have developed several mechanisms to facilitate peacemaking, including mediation, appeasement, and reconciliation. These behaviors can help to prevent conflicts from escalating and promote cooperation among individuals. Jordan B. Peterson argues that humans share many of these mechanisms and suggests that our conflict resolution mechanisms may have evolved from those of our primate ancestors.

To know more about Reconciliation visit:

https://brainly.com/question/28711445

#SPJ11

One of the fastest-growing uses of the internet is _____, or connecting individuals to one another.

Answers

One of the fastest-growing uses of the internet is social networking, or connecting individuals to one another.

The idea of ​​connecting people and creating online communities is at the heart of social networking, one of the fastest growing uses of the Internet. Social media sites have revolutionized the way individuals communicate, share knowledge and maintain connections. Users can set up profiles, post updates, pictures and videos, and interact with other users through messages, comments and likes.

Global communication has been facilitated through social networking, allowing people to communicate with friends, family, co-workers, and even strangers across borders. As a result, there are now more options than ever for collaboration, knowledge sharing and support. It has also given rise to new types of online communities focused on similar interests, entertainment and objectives.

Learn more about social networking, here:

https://brainly.com/question/29708102

#SPJ4



When designing an experiment, scientists make predictions about what results will occur if their hypothesis is correct.

(b) If the hypothesis about the role of farmin in shmoo production is correct, what result should be observed in the Δ farmin strain? If it is incorrect, what result is expected?

Answers

The expected outcome in the farmin strain would be a significant reduction or absence of shmoo production in comparison to the control or wild type strain if the theory regarding the function of farmin in shmoo production is accurate. This would imply that farmin is essential for the creation of smoos.

What is Δ farmin strain

A genetic strain or variety of an organism in which the farmin gene has been purposefully deleted or altered is referred to as the farmin strain. In genetics, Δ  is frequently used to indicate the deletion or lack of a certain gene or genetic component. In this instance, the farmin strain carries a mutated or deleted copy of the farmin gene.

By creating the Δ farmin strain, scientists can investigate the role of the farmin gene in a specific process or phenomenon, such as shmoo production in the example you mentioned earlier. By comparing the behavior or characteristics of the Δ farmin strain to a control or wild type strain (which has an intact and functional farmin gene), scientists can determine the impact of farmin on the process under investigation.

Learn more on genetic strain here https://brainly.com/question/14439079

#SPJ4

Flowers differ in how much sunlight they absorb. Why might this matter to a hummingbird seeking nectar on a cool morning?

Answers

Flowers differ in how much sunlight they absorb. This matters to a hummingbird seeking nectar on a cool morning because sunlight helps warm up the flower's nectar, making it easier for the hummingbird to access and consume.

If a flower absorbs more sunlight, it will warm up more quickly, making the nectar more readily available to the hummingbird.

On a cool morning, when the temperature is lower, flowers that absorb more sunlight will provide a more accessible source of nectar for the hummingbird.

This is important for the hummingbird's energy intake as it relies on nectar as its primary food source.

By choosing flowers that absorb more sunlight, the hummingbird can efficiently fuel itself and maintain its energy levels.

To know more about Flowers visit;

brainly.com/question/29112494

#SPJ11

Other Questions
Consider an insulating sphere carrying uniformly distributed over the volume charge q. three gaussian surfaces are concentric with the sphere. surface Cookies by Casey has sales of $488,400 with costs of $265,800. Interest expense is $24,600 and depreciation is $43,400. The tax rate is 21 percent. What is the net income? Net Income =$ Allowed attempts: 2 If you keep behaving like this, you ___ dismissed. a. will gob. would have to bec.would be going to bed. are going to be Use the following table to determine the correct order of the given steps in the Federal Reserve's monetary policy decision-making process Step Order Step Description The FOMC issues a clear detailed statement that summarizes its decision about the selected target federal funds rate. If the FOMC determines that a change in its monetary policy is appropriate, its decision is forwarded to the Trading Desk at the New York Federal Reserve District Bank through a statement called the policy directive The minutes for the FOMC meeting are provided to the public and made accessible on Federal Reserve websites FOMC members receive expert analyses of the economy and economic forecasts. FOMC members, including both voting and nonvoting members, discuss what the Fed's monetary policy should be Gerado te now Grade it Now Save A Continue A company produces and sells a product. The unit variable cost is $50 and the unit selling price is $79. The fixed cost associated with the product is $208,674 per year units per year in order to generate an The company must produce and sell income (or profit) $ 170,159 per year. A market value weighted index has three stocks in it, priced at 62.6,96.9, and 81.9 per share, and each firm has 467,398 and 396 thousand shares outstanding, respectively. The value of the index today is 554.8. Over the course of a month, the market does its random walk- y thing, and the prices of the three stocks change do 87.9,86.5,56.3, respectively. What is the new value of the index? Enter answer accurate to two decimal places. discuss the following 2.1 Social sciences within Revised National Curriculum Statement 2.2 Social Sciences within Apartheid Education A jeweler makes a pair of earrings by cutting two 50^{\circ} sectors from a silver disk.b. If the weight of the silver disk is 2.3 grams, how many milligrams does the silver wedge for each earring weigh? How+long+(in+years)+would+$900+have+to+be+invested+at+11.4%,+compounded+continuously,+to+earn+$300+interest?+(round+your+answer+to+the+nearest+whole+number.)+yr Exercise 1 Label each sentence dec. for declarative sentence or imp. for imperative sentence.Have faith in my abilities. company mines 300,000 tons of coal per year in a rural county. The coal is worth $79 per ton. The average price for a 2,000 -square-foot house with three bedrooms more han 20 km away from the mining site in this county is $210,000. The average price for a similar, 2,000 -square-foot house with three bedrooms within 4 km of the mine is 4 ercent lower. Jsing comparative statics, what is the effect of mining on home prices in this county? Mining changes the price of a 2,000-square-foot home (with three bedrooms) by $. (Round your response to two decimal places and use a negative sign if necessary.) randomised doubleblind comparative study of morphine and tramadol administered for postoperative analgesia following arthroscopic surgery if efficiency were to be the only criterion for the evaluation of administrative performance, would any other important values be diminished? Explain. What are the two (2) major similarities between Tesla and Apple? [Your answers must be directly related to marketing.] Similarity 1: Similarity 2: Q6) What are the two (2) biggest challenges that Tesla will face in the next 10 years? How should Tesla address those challenges? [Your answers must be directly related to marketing.] Challenge 1: Challenge 2 : Sunland Company had $255,800 of net income in 2019 when the selling price per unit was $150, the variable costs per unit were $90, and the fixed costs were $572,200. Management expects per unit data and total fixed costs to remain the same in 2020. The president of Sunland Company is under pressure from stockholders to increase net income by $82,800 in 2020. Your answer is correct. Compute the number of units sold in 2019. 13,800 units SHOW SOLUTIONSHOW ANSWER LINK TO TEXT LINK TO TEXT VIDEO: SIMILAR EXERCISE Your answer is correct. Compute the number of units that would have to be sold in 2020 to reach the stockholders' desired profit level. 15,180 units Your answer is incorrect. Try again Assume that Sunland Company sells the same number of units in 2020 as it did in 2019. What would the selling price have to be in order to reach the stockholders' desired profit level? New selling price 165 Click if you would like to Show Work for this question: Open Show Work from the two activities. If the selling price of bracelets increases from $12 to $24, then Jamal's opportunity cost of making earrings and making earrings is now profitable than making bracelets. Suppose that the earrings market consists of several suppliers like Jamal who are skilled at making both earrings and bracelets. Which of the following is likely to happen to the supply curve of earrings when the price of a bracelets increases? It does not change It shifts to the right It shifts to the left A 30-year mortgage has an APR of 6% (compounded monthly). A new homeowner intends to borrow $400000 at this mortgage rate. Use your financial calculator to calculate the following: a) The monthly mortgage payment. At the end of Year 10, using the AMORT function: b) "What is the mortgage's Ending Balance?" c) "What is the mortgage's Principal component of the mortgage's payment?" 720.88 d) "What is the mortgage's Interest component of the mortgage's payment?" 1,677.32 e) What is the cumulative Interest paid during the first 10 years? Please show me the problem solving process, thanks You plan to deposit $2,000 today, $4,000 in one year and $2,000in two years into an account earning 4.6% interest. What will theaccount balance be in 4 years? Round to the nearest dollar. You have $400 and are comparing two savings accounts. One pays 5% simple interest and the other pays 5% compound interest. How much more money will you have after 9 years if you invest in the compound interest account as compared to the simple interest account? What specifically does this research offer regarding the issueand how does this relate to the policymaking role of government?(topic is age restrictions on guns