Take a look at this plant cell. Plant cells have labels on their organelles. The middle layer of the cell is part g. The organelle that is labeled g is the cell membrane. The correct answer is option(c).
Plant cells are the elementary unit of existence in animals the plants of the world. They are eukaryotic cells, that have a valid nucleus in addition to specific forms called organelles that complete activity and various functions. Plant cells have special organelles named chloroplasts, that build sugars via photosynthesis.
A cell membrane distinguishes a fundamental natural construction made from a double layer of phospholipids that guides different lipids, proteins, and carbohydrates. The membrane of the cell, also known as the skin or cytoplasmic sheet, is a biological sheath (biomembrane) that segregates the interior of all cells from the outside atmosphere.
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The complete question is:
Consider this plant cell. The organelles in a plant cell are labeled. Part g is the middle layer of the cell. Which organelle is labeled g?
a)cytoplasm
b)cell wall
c)cell membrane
d)vacuole.
Why might a farmer raise a wide variety of plants instead of the one variety that would produce the most valuable crop? Construct an explanation that describes how genetic variations increase the probability that individuals will survive.
Help meee
A farmer might choose to raise a wide variety of plants instead of just one variety that would produce the most valuable crop in order to increase the probability of survival for their crops.
In essence, genetic variation increases the likelihood of some individuals having traits that enable them to better survive in different environmental conditions.
What is the role of genetics in crops?If the farmer only grew one type of crop and a disease or pest that was specifically harmful to that crop came along, the entire crop could be lost. However, if the farmer grew a variety of plants that each had different genetic variations, the chances are higher that some of the plants will have genes that allow them to resist the disease or pest.
By growing a diverse range of plants with different genetic variations, a farmer can increase the likelihood that some of those plants will survive in the face of unpredictable and changing environmental conditions, such as pests, diseases, climate changes, and soil conditions. This approach to farming is called agrobiodiversity, and it can help ensure that farmers have a stable and resilient food supply.
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Referring to a plant species that has a single kind of spore, which typically develops from a bisexual gametophyte
Answer:
Homosporous
Explanation:
Producing only one type of spore from which develops a gametophyte producing both male and female gametes.
The table below completes observations collected for 3 different cells. Which of these correctly identifies the two cells describes in the table
A Both cell 1 and cell 2 are eukaryotic
B both cell 1 and cell 2 are prokaryotic
C cell 1 is eukaryotic and cell 2 is prokaryotic
D Cell 1 is prokaryotic and cell 2 is eukaryotic
Answer:
D
Explanation:
Prokaryotes are organisms whose cells lack a nucleus and other membrane-bound organelles.
Compared to a eukaryote, a prokaryote's DNA is circular
E.g of prokaryotes = bacteria
this is a picture of poison ivy. the leaf is on the left, and a stem with leaves is on the right. select all of the true statements about poison ivy based on this image.
Correct choices include the second and fourth.Because poison ivy leaves have lobes, they are referred to as lobed leaves.There really are two leaves with points facing opposite ways in adjacent leaves.
Are the leaves of poison ivy opposing or alternate?Box elder leaves are arranged in the opposite direction from poison ivy leaves along the vine.
What sort of stem is included in poison ivy?The reddish hue of the poison sumac stem is its first distinguishing feature.In addition, rather than branching off exactly across from one another, the stems containing the leaves will alternately grow on each side, from left to right.Moreover, the center stem, which supports the largest leaf, will always grow longer and more prominent.
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What factors determine soil consistence
The interaction of five main factors—time, climate, parent material, terrain and relief, and organisms—leads to the formation of soil.
What is Soil consistence?The relative importance of each variable varies from location to location, but the sum of all five variables often defines the type of soil that forms in any given area.
Many of the distinctions between the designated soils in Plymouth County can be attributed to parent material and relief in terms of drainage.
Soil formation is a continuous process, and major changes typically take several thousand years to occur.
Therefore, The interaction of five main factors—time, climate, parent material, terrain and relief, and organisms—leads to the formation of soil.
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What genus of tree has needlelike leaves occurring in groups? (Remember, the scientific name of an organism is its genus and species.)
Aristata
Picea
Coulteri
Pseudotsuga
Pinus
A. B. C.
D. E. F.
G. H. I.
Tree Identification Vocabulary:
bract – a leaflike structure often occurring between scales of cones
barb – a hooked or sharp bristle
Dichotomous Key
a. Leaves are needlelike, occurring in groups. go to #2
b. Leaves are needlelike leaves, go to #3 not grouped together (cover branch evenly).
a. Needles occur in groups of 2. Colorado Pinyon Pine (Pinus edulis)
b. Needles occur in groups of 3 or more. go to #4
a. Cones have scales with bracts. go to #5
b. Cones have rounded or wavy scales with no bracts. go to #6
a. Cones have barbs on the ends of scales. go to #7
b. Cones have smooth scales with no barbs. Sugar Pine (Pinus lambertiana)
a. Cones hang down from branch and have 3-pointed bracts. Douglas Fir (Pseudotsuga menziesii)
b. Cones are upright on branch. Noble Fir (Abies procera)
a. Cones are medium-sized and rounded. Most needles curve or point upward. Blackhills White Spruce (Picea glauca)
b. Cones are long and slender. Needles point forward. Colorado Blue Spruce (Picea pungens)
a. Cones have barbs that point upward. go to #8
b. Cones have spiny barbs that point downward. Coulter Pine (Pinus coulteri)
a. Needles are longer than the cones (longer than 4”) and slender. Jeffrey Pine (Pinus jeffreyi)
b. Needles are shorter than the cones (less than 2” long). Bristlecone Pine (Pinus aristata)
Fill in the following chart, using the dichotomous key to identify each tree. The first one has been completed for you. You should copy the chart and complete it using the lesson information.
The correct option is -
Needles are longer than the cones (longer than 4”) and slender. Jeffrey Pine (Pinus Jeffrey).Needles are shorter than the cones (less than 2” long). Bristlecone Pine (Pinus aristate).What is genus?Genus is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses.
Given is that genus of tree has needlelike leaves occurring in groups.
We can write the correct option as -
Needles are longer than the cones (longer than 4”) and slender. Jeffrey Pine (Pinus Jeffrey)Needles are shorter than the cones (less than 2” long). Bristlecone Pine (Pinus aristate)Therefore, the correct option is -
Needles are longer than the cones (longer than 4”) and slender. Jeffrey Pine (Pinus Jeffrey).Needles are shorter than the cones (less than 2” long). Bristlecone Pine (Pinus aristate).To solve more questions on genes theory, visit the link-
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I dont know what im supposed to do, im very confused on how to go about attempting this assignment
Answer:
Ok so If your a male don't feel nervous it's important just to look for a diagram showing the names of each part and relax and focus you can do it.
Explanation:
What are the genotypes of the parents in the monohybrid cross below if the following offspring genotypes are predicted?
Tt and Tt
TT and tt
Tt and TT
Tt and tt
Fill-in the sentences describing the function of an organelle with the appropriate organelle from the list. rough endoplasmic reticulum smooth endo reticulum golgi apparatus peroxisome mitochondrion ysosome The ____ modifies, packages and sorts newly synthesized proteins. The ____ synthesizes proteins for secretion out of the cell and for utilization in the cell.The ____ synthesizes adenosine triphosphate, thus providing energy for the cell. The ____ digests macromolecules, microorganisms, and old or damaged organelles.
Rough endoplasmic reticulum, mitochondria, and lysosomes make up the Golgi apparatus.
What roles do the rough and smooth endoplasmic reticula play in the body?The body's detoxification from medications taken and metabolic wastes generated is the primary function of the smooth endoplasmic reticulum. The production of proteins and their correct folding into quaternary structures are the main duties of the rough endoplasmic reticulum.
What role does this organelle play?An organelle is a subcellular structure that serves one or more specific functions for the cell, similar to an organ in the body. The nucleus, which houses genetic material, the mitochondria, which provide chemical energy, and the ribosomes, which put together proteins, are three of the more significant cell organelles.
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circle the letter of each sentence that is true about translation. before translation occurs, mrna is transcribed from dna in the nucleus. translation occurs in the nucleus. it is the job of trna to bring the proper amino acid into the ribosome to be attached to the growing peptide chain. when the ribosome reaches a stop codon, it releases the newly formed peptide and the mrna molecule.
The original gene's pre-mRNA gets transformed into a matured RNA molecule which can be processed to create the protein surface polypeptide.
What use do RNA molecules serve?RNA performs a wide range of tasks, including regulating gene activity during development, chromosome segregation, and changing environmental conditions. It also translates genetic information into the biochemical machineries and cell structures.
What is RNA composed of?Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of alternating hydroxyl group and also the sugar ribose. Adenine, uracil, cytosine, or guanine are the four bases that are joined to each sugar.
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hromosomal mutations occur when long segments of dna are deleted, inserted inverted or moved to another location. in many cases these sections of mutated dna are removed and replaced with normal sections before cell division begins. however, sometimes mutations can often cause profound changes such as in down's syndrome and duchenne muscular dystrophy. which of the following illustrations depicts a chromosomal translocation mutation?
Before cell division starts, these defective DNA regions are frequently replaced with healthy ones.
The correct option is B.
What is mutation and examples?A mutation is an alterations that occur in the sequence of our DNA as a consequence of errors made during DNA replication or environmental influences like UV radiation and cigarette smoke.
Do mutations pose a threat?While the majority of mutations are advantageous, some can be harmful. A risky mutation could result in a genetic disorder or a malignant condition. Another sort of mutation is a chromosomal one. Chromosomes, which are little, threadlike organelles present in the cell nucleus, carry genes.
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The complete question is -
Which of the following illustrations depicts a chromosomal translocation mutation?
A-Chromosomal mutations occur when long segments of DNA are deleted, inserted inverted or moved to another location.
B-In many cases these sections of mutated DNA are removed and replaced with normal sections before cell division begins.
C-However, sometimes mutations can often cause profound changes such as in down's syndrome and Duchenne muscular dystrophy.
Which systems work together when nutrients are dropped off for the cells in the brain?.
Option B: Respiratory and circulatory systems work together when nutrients are dropped off for the cells in the brain.
An organ system is a collection of organs that cooperate to carry out a complex task in the body, such as processing and utilizing nutrition or pumping blood. The human body has 11 primary organ systems. The systems that supply nutrients to the brains include respiratory and circulatory systems.
To maintain the body's health, organ systems cooperate with one another. For instance, the digestive and circulatory systems team up to distribute nutrients throughout the body. Every system, with the exception of the reproductive one, is essential for survival.
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Complete question is:
Q. Which systems work together when nutrients are dropped off for the cells in the brain? answer choices
Circulatory, Excretory
Respiratory, Circulatory
Digestive, Nervous
which of the following conditions would not necessarily result in a diagnosis of aids in an hiv-infected individual?
Swollen lymph nodes of the following conditions would not necessarily result in a diagnosis of aids in an hiv-infected individual.
The correct option is B.
Can you survive AIDS?Although there is presently no cure for HIV, there are very efficient pharmacological therapies that allow the majority of those infected to live long, healthy lives. Most HIV-positive individuals will not have any AIDS-related diseases and will live relatively normal lives if they receive a clinical recognition and adequate therapies.
Who is an AIDS patient?One is deemed to have progressed from HIV to AIDS when their CD4 cell count falls below 200 cells per millilitre of blood (200 cells/mm3). (Those with healthy immune systems have CD4 counts between 500 and 1,600 cells/mm3)
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The complete question is -
Which of the following conditions would NOT necessarily result in a diagnosis of AIDS in an HIV-infected individual?
a.) pneumonia, particularly if caused by the organism, Pneumocystis carinii
b.) swollen lymph nodes
c.) wasting syndrome
d.) Kaposi's sarcoma
Cas9 is a:
A. Protease
B. Nuclease
C. DNA polymerase
Cas9 is a: B. nuclease.
Cas9 it is a type of RNA-guided endonuclease enzyme that can cleave DNA strands at specific locations. This property makes it a powerful tool for genome editing and genetic engineering.
The Cas9 nuclease is often used in conjunction with a guide RNA molecule that can direct it to a specific DNA sequence, allowing for precise cutting and modification of the genome.
Therefore the correct option is B.
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how does your social behavior and indirect fitness benefit the individual even though they are not sexually reproducing? How does the colony benefit?
During evolution, social organisms share a large portion of their DNA, this suggests group behaviors likely evolved, and this shared DNA provides organisms to engage in social behaviors.
What are the benefits of social behaviors?In a population, during social behavior organisms share a large portion of their DNA, which includes a fitness benefit to genes they carry, although contributing to the behavior lowers individual fitness and survival.
If any animal is part of a group helps animals to collect food, defend themselves, and fight changes.
Therefore, group behavior has evolved, by this member of the group can increase the chances of survival for organisms and their genetic relatives.
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in the cytoskeleton, are made of different proteins (depending upon the cell type) and act to maintain cell shape and bind certain cells together.
The complete statement is in the cytoskeleton, intermediate filaments are made of different proteins (depending upon the cell type) and act to maintain cell shape and bind certain cells together.
What are intermediate filaments in the cytoskeleton?Intermediate filaments in the cytoskeleton are a type of filament that together with actin and microtubules form a rigid structure that provides support to eukaryotic cells.
Therefore, with this data, we can see that intermediate filaments in the cytoskeleton are one of the main types of filaments and they are formed by different proteins
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A cell is in m phase, undergoing mitosis. Which event occurs directly after the nucleus's chromatin condenses into chromosomes?.
The event which occurs right after the condensation of the chromatin of the nucleus is the metaphase.
Cell cycle is a process through which a cell happens to first replicate its DNA material and then divide in order to produce two daughter cells which have equal amount of DNA from the parent cell. The cell cycle takes place through a number of stages which are the prophase, metaphase, anaphase as well as the telophase.
During the prophase of the cell cycle, the chromatin condenses in order to form the chromosomes and the event next to it is the metaphase. During the metaphase, the chromosomes get aligned at the equator of the cell.
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This tree species was preserved as a fossil in the Arizona desert. The species is now extinct. Describe what the environment was like when the tree lived and how it is different now. Then, infer why this type of tree and other living things that lived with it are extinct.
In the Arizona desert, a fossilised specimen of this native trees was discovered. This species is no longer alive. Explain the current environment and how it differs from the one the tree lived in.
What in biology is a species?
A species is a unit of complexity as well as the fundamental classification and taxonomy rank of an organism in biology. The biggest group of organisms with which any individuals of the right sexes or coupling types can conceive a fertile offspring, usually by sexual reproduction, is referred to as a species.
What distinguishes a human from another species?
You are unmistakably human, down to the colour of your hair and the shape of the toes. Although having extremely distinct appearances, all humans belong to a single species, Homo sapien. A group of creatures that can procreate naturally among themselves and generate offspring that are fertile is commonly referred to as a species.
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very early colorectal anastomotic leakage within 5 post-operative days: a more severe subtype needs relaparatomy nature
A surgical connection that connects two hollow viscera is leaking luminal fluids. Patients may develop a fever, an abscess, or septicemia if the luminal contents spill into the abdominal region.
How can septicemia develop in a person?Septicemia, often known as blood sickness, is an illness that develops when bacteria spread throughout the circulation. The germs are often bacteria, but they can also be fungi or viruses.
Is septicemia curable?Septicemia can be successfully treated with antibiotics if detected in its early stages. Developing more precise ways for making a prompt diagnosis of the condition is the aim of study. Permanent organ damage is still possible, even with therapy.
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I put the human insulin gene into a plasmid and put that plasmid into a bacteria. But the bacteria doesn't produce the insulin. What should I have put before the human insulin gene on the plasmid to make sure it made insulin?
A. Cap
B. A Promotor site
C. Tail
D. DNA polymerase
Explanation:
In order for a gene to be expressed, it needs to be transcribed into RNA and then translated into a protein. The process of transcription is initiated by RNA polymerase binding to a promoter site, which is a specific sequence of DNA that signals the start of a gene.
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150 ml of 54% CaCl2 solution contains how many grams of cacl2
A 45% CaCl2 Solution has a mass of 67.4 g of CaCl2 and contains 45 g of solute per 100 mL of solution.
The formula for mass concentration is mass of solute (g)/volume of solution (L)
100 mL of solution is equal to 100 * 1 L/1000, or 0.1 L.
45 g/0.1 L of the solution's mass equals 450 g/L.
Mass concentration divided by molar mass gives a solution's molar concentration.
CaCl2's molar mass is 111 g/mol.
450 g/L / 111 g/mol = 4.05 mol/L is the molar concentration.
Number of moles of CaCl2 in 150 ml of a 4.05 mol/L solution is equal to the molar concentration times the volume (L). For example, 4.05 * 150 * 1 L/1000 equals 0.6075 moles of CaCl2.
Number of moles * Molar Mass = mass of CaCl2 present in 0.6075 moles = 0.6075 * 111 = 67.4 g of CaCl2.
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TRUE/FALSE. Pseudo stratified epithelia are well adapted to the digestive system because the cilia increase the surface area for absorption. Thick skin has a more extensive dermal layer than thin skin. Generally speaking, connective tissues are largely non-living extracellular matrix. Which of the following is an EXCEPTION? Blood bone are olar adipose
False. Pseudostratified epithelia are not well adapted to the digestive system. True. Thick skin has a more extensive dermal layer than thin skin. True. Generally speaking, connective tissues are largely non-living extracellular matrix. Exception: Blood is a connective tissue comprised of living cells in a liquid matrix.
What is Tissue?Tissue is a group of cells that have a similar structure and function. It is made up of cells that are similar in size and shape and are specialized to carry out specific tasks. Tissue is found in almost all animals and plants and it is made up of four main types: epithelial, connective, muscle, and nervous.
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Depressants are drugs that?
Answer:
Depressants are drugs that slow down the central nervous system, leading to reduced brain activity, decreased heart rate, and relaxed muscles.
Explanation:
State whether the transcription with be On (high) or Off (absent or low), if the CAP activator is bound or not bound, and if the lacl repressor is bound or not bound
Glucose is present and lactose is absent:
Glucose and lactose are absent:
Glucose is absent and lactose is present:
If the CAP activator is bound or not bound, and if the lac repressor is bound or not bound; If glucose is present and lactose is absent then no transcription of the lac operon stop.
What is the lac operon and why is it important?The lac operon is an operon, or group of genes with a single promoter (transcribed as a single mRNA). The genes in the operon encode proteins that allow the bacteria to use lactose as an energy source.
The activity of the promoter that controls the expression of the lac operon is regulated by two different proteins. One of the proteins prevents the RNA polymerase from transcribing, the other enhances the binding of RNA polymerase to the promoter.
The lac operon is a classic example of gene regulation in prokaryotes, and its structural genes produce enzymes that metabolize the sugar lactose. Like all bacterial operons, the lac operon is able to produce multiple proteins from one mRNA transcript.
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Not all plants have seeds what main advantage do seeds provide a plant
Spock tells you that he learns any new information by multiple paths.The definition, how it is used, goofy associations, and weird associations all of this is to create multiple........ in order to make it easier to recall and use later.
Multiple path for memory by creating goofy and weird association is actually proved to be efficient in boosting memory and recalling power. In research, it has been found that the more weird or illogical the association is, the easier it is to recall.
The method of doing it is to keep a fact in mind and associate it with any image, it could've totally out of context or bizarre but it should help in linking the fact with it. Now once visualization is done, the next time if one try to recall the same fact, the visualization would show up first and then the fact can be easily recalled.
What is memory?Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remembered, it would be impossible for language, relationships, or personal identity to develop. Memory loss is usually described as forgetfulness or amnesia.
Memory is often understood as an informational processing system with explicit and implicit functioning that is made up of a sensory processor, short-term (or working) memory, and long-term memory. This can be related to the neuron.
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A small topographic map contains only the following contour lines (in meters): 40, 50, 60, 70, 80, 90 What is the relief of the map, in meters? Do not include units, only numbers
In this case, the lowest contour line is 40 meters, and the highest contour line is 90 meters.
Therefore, the relief of the map is:
90 meters - 40 meters = 50 meters
So the comfort of the map is 50 meters.
What is a topographic map?A topographic map is a detailed and accurate representation of a three-dimensional landscape on a two-dimensional flat surface. It shows the land's elevation, shape, and features, including hills, valleys, streams, lakes, forests, and artificial structures such as roads and buildings.
Where are topographic maps used?Topographic maps are used by hikers, backpackers, geologists, engineers, surveyors, and other professionals who must navigate and analyze the land.
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In a study of multiple geological events in which an isthmus has formed, separating marine populations on either side, you collect the data in Table 2. Event: 1 4 3.5 19 6.3 וו Approximate date (millions of years ago) 5 21 7 10 46 difference in 1000 bp of DNA between closely related species from either side of the isthmusWhat can you conclude from the data in Table 2?
A) There are statistically significant differences between the genetic divergences among closely related taxa on either side of an isthmus.
B) There are no statistically significant differences between the genetic divergences among closely related taxa on either side of an isthmus.
C) There is no correlation between genetic divergence among closely related taxa on either side of an isthmus and time of isthmus formation.
D) The extent of genetic divergence among closely related taxa on either side of an isthmus is positively correlated with time of isthmus formation.
Positive correlation exists between the timing of isthmus formation and the degree of genetic differentiation between strongly linked taxa on either side.
How can the relationship between two creatures be ascertained via DNA analysis?By counting the number the differences between two species' DNA or amino acid sequences, molecular clocks can be used to assess how closely species are related.Some people refer to these clocks as gene clocks and evolution clock.
What do similar DNA sequences in two different species mean?A shared common origin between two species may be shown by the discovery of the same Target dna in those two species.This is due to the fact that homology is demonstrated by having comparable DNA sequences.The similarity between the two species' DNA sequences indicates how closely related they are.
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Explain how the history of the development of the cell theory is related to the scientific process?.
The invention of the microscope made it easier for Hooke to find the cell. By researching cork, Hooke noticed formations that resembled monastic cells or flats and named them "cells" because of their box-like shape.
This discovery gave rise to the classical cell hypothesis. The classical cell theory was put forth by Theodor Schwann in 1839. There are three elements to this hypothesis. According to the first section, cells make up all living things. Cells are, according to the second section, the fundamental constituents of life. In 1858, Rudolf Virchow used the phrase "omnis cellula e cellula" to refer to the third part of his theory, which holds that new cells develop from previously existing ones that have multiplied (all cells come from cells).
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If the algae population increased and blocked sunlight, describe the impact this would have on at least TWO species in the food web. Use specific examples to support your ideas.
The algae bloom can have significant impacts on various species within the food web of an aquatic ecosystem. Two examples of species that may be affected are:
Underwater Plants: The increase in algae population can block sunlight, which is necessary for underwater plants to carry out photosynthesis and grow.Fish: Fish species that rely on oxygenated water for survival may also be impacted by the increase in algae.What is algae bloom?An algal bloom, also known as an algae bloom, is a sudden rise in the number of algae in freshwater or marine water systems. The pigments in the algae's cells cause the water to turn discoloured. The majority of aquatic photosynthetic organisms fall under the umbrella word "algae," including large, multicellular animals like seaweed and tiny, single-celled ones like cyanobacteria. One example of a macroscopic blooming algal community is a kelp forest.
Algal blooms are brought on by nutrients that enter the water environment and encourage excessive algae development, such as nitrogen or phosphorus from fertiliser runoff. An algal bloom influences the entire ecosystem and can have positive benefits, such as feeding more damaging effects to higher tropical levels, blocking sunlight from reaching other species, and causing oxygen loss in the water.
Underwater Plants:The increase in algae population can block sunlight, which is necessary for underwater plants to carry out photosynthesis and grow. This can lead to a decrease in the population of these plants, which could impact herbivores that rely on them as a food source.
For instance, manatees are herbivorous mammals that feed on seagrass. If the seagrass population is negatively impacted by the increase in algae, manatees may struggle to find enough food and could suffer from malnutrition.
Fish:Fish species that rely on oxygenated water for survival may also be impacted by the increase in algae. As the algae dies, it decomposes and consumes oxygen from the water. This can lead to hypoxic or anoxic conditions, where the amount of dissolved oxygen in the water is too low to support life.
For example, Atlantic menhaden are a small, oily fish species that is a crucial part of the food web in many coastal ecosystems. If hypoxic conditions occur due to the increase in algae, Atlantic menhaden may struggle to survive, which could impact predators that rely on them as a food source, such as ospreys and dolphins. Additionally, the death of fish due to hypoxic conditions can also contribute to the further increase of the algae population as decomposing fish provide nutrients that can fuel more algae growth.
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