The correct answer is
A.Diaphragm
Which is not a type of freshwater biome?
Group of answer choices
Rivers
Lakes
Wetlands
Coral Reefs
I did this and picked Wetlands but I wanted to make sure it was correct.
Wetlands are actually a type of freshwater biome, so the correct answer would be Coral Reefs. Coral reefs are actually found in marine (saltwater) environments.
What is the process of negative feedback as it relates to hormone signaling. Please give an example of a negative feedback hormone pathway. (Anything besides cortisol)
Answer:
Negative feedback is a regulatory mechanism in which the output of a system inhibits or reduces the system's activity. In hormone signaling, negative feedback loops are essential for maintaining homeostasis and preventing excess hormone production.
An example of a negative feedback hormone pathway is the regulation of thyroid hormone levels in the blood. The hypothalamus, located in the brain, releases thyrotropin-releasing hormone (TRH), which stimulates the anterior pituitary gland to release thyroid-stimulating hormone (TSH). TSH then travels to the thyroid gland, where it stimulates the production and release of thyroid hormones, including thyroxine (T4) and triiodothyronine (T3).
When thyroid hormone levels in the blood are too high, they inhibit the release of TRH and TSH through negative feedback. This reduction in TRH and TSH production leads to a decrease in thyroid hormone production, which brings levels back to normal. Conversely, when thyroid hormone levels in the blood are too low, the lack of negative feedback increases TRH and TSH production, which stimulates the thyroid gland to produce more hormones. This negative feedback loop helps to maintain a stable level of thyroid hormone in the blood.
extensive activation of which of the following energy systems is associated with lactic acid production in the muscle?
The anaerobic energy system produces significantly less ATP than its aerobic counterpart and leads to the build-up of lactic acid. Exercises typically thought of as anaerobic consist of fast twitch muscles.
Which anaerobic energy route produces ATP quickly but insufficiently?The phosphagen system is an "anaerobic system," meaning it doesn't need oxygen to function. It also functions quickly, but its capacity to produce ATP is constrained because your cells don't store a lot of phosphocreatine. That means that after only around 10 seconds of effort, it reaches its maximum.
What distinguishes anaerobic respiration, which generates more ATP, from aerobic respiration?Compared to anaerobic respiration, aerobic respiration is significantly more energy-efficient. Up to 38 ATP can be produced aerobically for every glucose. Just 2 ATP are produced per glucose by anaerobic reactions.
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The thermohaline circulation is likely to slow down with global warming. How
might a slower thermohaline circulation affect Earth's climate?
OA. It would decrease ocean salinity.
B. It would lower global sea levels.
OC. It would increase the number of severe storms.
D. It would prevent ice caps and ice sheets from melting.
It would prevent ice caps and ice sheets from melting is the slower thermohaline circulation affect Earth's climate.
What is earths climate ?
The long-term pattern of the weather in a specific location is called the climate. The weather might fluctuate from hour to hour, day to day, month to month, or even year to year. A region's climate is determined by its weather patterns, which are typically studied for at least 30 years.
What is thermohaline circulation ?
These deep-ocean currents are fueled by variations in the water's density, which is governed by salinity and temperature (thermo) (haline).
Therefore, It would prevent ice caps and ice sheets from melting is the slower thermohaline circulation affect Earth's climate.
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this is a dna fingerprint exhibiting samples from a victim, two suspects, and the crime scene. which of these dna fragments is common to both the victim and suspect 1? a dna fingerprint exhibits samples from a victim, two suspects, and the crime scene. comparing the samples from top to bottom, the dna fingerprint can be divided into five rows. each of them is marked by a definite letter. in row a, there are three bands: wide at the victim, narrow at suspect 1, and wide at the crime scene. in row b, there are four bands: wide at the victim, wide at suspect 1, narrow at suspect 1, and wide at the crime scene. in row c, there is a narrow band at the victim, at suspect 2, and at the crime scene. in row d, there are three bands: narrow at the victim, wide at suspect 2, and narrow at the crime scene. in row e, there are three bands: wide at the victim, narrow at suspect 2, and wide at the crime scene. this is a dna fingerprint exhibiting samples from a victim, two suspects, and the crime scene. which of these dna fragments is common to both the victim and suspect 1? a dna fingerprint exhibits samples from a victim, two suspects, and the crime scene. comparing the samples from top to bottom, the dna fingerprint can be divided into five rows. each of them is marked by a definite letter. in row a, there are three bands: wide at the victim, narrow at suspect 1, and wide at the crime scene. in row b, there are four bands: wide at the victim, wide at suspect 1, narrow at suspect 1, and wide at the crime scene. in row c, there is a narrow band at the victim, at suspect 2, and at the crime scene. in row d, there are three bands: narrow at the victim, wide at suspect 2, and narrow at the crime scene. in row e, there are three bands: wide at the victim, narrow at suspect 2, and wide at the crime scene. a b c d e
The DNA fragments that are common to both the victim and suspect 1 are as follows:
A visual comparison of the gel electrophoresis results should reveal that suspect 1 has a DNA fragment that matches victim DNA fragment B. What is meant by DNA fragments?DNA fragments may be characterized as short pieces of DNA that are generally composed of molecules called nucleotides. Each of these molecules of nucleotide is made up of a sugar group, a phosphate group, and a nitrogen base.
The process of DNA fragmentation involves the significant separation or breaking of DNA strands into pieces. It can be accomplished intentionally through laboratory perspectives or by cells or can occur spontaneously.
According to the context of this question, a technology that reveals the similarity between two or more DNA fragments is known as gel electrophoresis on the basis of the size and molecular weight of DNA.
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A student is studying microorganisms and recalls that one type of microorganism decomposes organic matter while
another type fixes nitrogen from the atmosphere.
Which two types of microorganisms is the student describing?
Select TWO correct answers.
Fungi
Algae
Viruses
Bacteria
Parasites
Plants
The two types of microorganisms that are involved in decomposing organic matter while another type fixes nitrogen from the atmosphere are the bacteria and the fungi that are present in the first and fourth options.
What is a nitrogen fixing bacteria?Microorganisms are tiny organisms; they are bacteria, fungi, etc, some bacteria decompose organic matter, such as dead plants and animals, into simpler forms, while other bacteria are capable of nitrogen fixation, which involves converting atmospheric nitrogen into a form that can be used by plants. Fungi can also decompose organic matter.
Hence, two types of microorganisms that are involved are the bacteria and the fungi that are present in the first and fourth options.
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Referring to a plant that has two kinds of spores: microspores, which develop into male gametophytes, and megaspores, which develop into female gametophytes
Answer:
The term for a plant that has two kinds of spores, microspores that develop into male gametophytes and megaspores that develop into female gametophytes, is "heterosporous."
A fossil is found by carbon-14 dating to be about 28,650 years old. How many half-lives has it undergone? SHOW YOUR WORK.
This means that the fossil has undergone 5 half-lives of carbon-14.
How to determine how many half-lives the fossil has undergone
First we can divide the age of the fossil by the half-life of carbon-14 and then round to the nearest whole number.
Dividing the age of the fossil by the half-life of carbon-14 gives us:
28,650 years / 5,700 years = 5
This means that the fossil has undergone 5 half-lives of carbon-14.
To verify this, we can calculate the amount of carbon-14 remaining in the fossil after 5 half-lives. Each half-life reduces the amount of carbon-14 by half, so after 5 half-lives, the amount of carbon-14 remaining is:
(1/2)^5 = 1/32
This means that the fossil has only 1/32 of the original amount of carbon-14 that it had when it was first alive. This is consistent with a fossil that is approximately 28,650 years old.
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What happens if we take 50% more natural resources than what is sustainable?
Future generations may not be able to meet their needs.
Future generations will still be able to meet their needs.
The ecosystem will produce more resources faster.
Our ecological footprint will shrink.
Development that satisfies current demands without compromising the capacity of future generations to satisfy their own needs is known as sustainable development.
What is a straightforward explanation of ecosystem?An ecosystem is a place where several types of living things coexist to create a bubble of life, including plants, animals, and some other species. Communities are constituted of both biotic and abiotic components. Plants, animals, as well as other living things are considered biotic factors.
Is the Earth a biome?Although it is widely understood that Earth is made up of several ecosystems, human cultures are significantly less likely to embrace the idea that Earth is an ecosystem with finite resources and dependent on interacting species.
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Based on the information in the graph, identify the category of crops that has the lowest average fuel cost.
O The category with the lowest energy-based is pesticide in dairy farming.O Beef Cattle have the lowest average fuel cost.O The dependent variable would be the average daily feed intake.
The category with the lowest energy-based is pesticide in dairy farming. Therefore, the correct option is option A.
What is fuel?Any substance that may be produced to react with the other substances to release energy like thermal energy either for use in work is referred to as a fuel. The idea was initially only applied to substances that could release chemical energy, but it has subsequently been expanded to include other types of thermal energy.
A heat engine may transform the heat energy generated by fuel reactions into mechanical energy. At times, its heat itself is prized for its ability to provide warmth, facilitate cooking or industrial activities, and provide light when combustion occurs. The category with the lowest energy-based is pesticide in dairy farming.
Therefore, the correct option is option A.
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Which one of the following leads to intergenerational tyranny of a resource?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
overdrawing water from an aquifer
harvesting Atlantic mackerel sustainably
adding fewer beehives along agricultural areas
releasing methane from natural gas wells
overdrawing water from an aquifer
Answer:
A.) Overdrawing water from a aquifer
Explanation:
Thomas Jefferson clearly understood the idea of intergenerational tyranny. In 1789, he wrote a letter to James Madison, which I paraphrase here: The earth belongs to the living. No man may by natural right oblige the lands he owns or occupies to debts greater than those that may be paid during his own lifetime.
It's A. cause the rest aren't as harmful and mostly natural.
A scientist runs an electric current along a wire. A magnetic compass is placed near the wire. The scientist observes that whenever the current is turned on, the compass needle moves. Why does the compass needle move?.
The reason behind this is the magnetic force due to current. Whenever current flows from any conductor it creates a magnetic field around the conductor this is due to the movement of charges inside the conductor.
The needle of a magnetic compass shows deflection when kept nearby a wire carrying current as the wire behaves like a magnet.
The current flowing in the wire gives rise to a magnetic field around it which exerts a force on the compass needle (which itself is a tiny magnet) kept nearby and deflects it.
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As long as you stick to the RICE principle after a soft tissue injury, you can return to your full exercise program even if your injury is not completely healed. True False Question 11 (1 point) All of the following are functions of water, EXCEPT O A) absorbing and transporting nutrients. B) providing energy for the nervous system. C) helping to regulate body temperature. D) lubricating our moving parts.
The statement "As long as you stick to the RICE principle after a soft tissue injury, you can return to your full exercise program even if your injury is not completely healed" is False.
All of the following are functions of water except providing energy for the nervous system.
The correct option is B.
What is the RICE principle in an exercise program?The RICE principle stands for rest, ice, compression, and elevation.
Following the RICE principle (rest, ice, compression, elevation) can help promote healing, but it is not a guarantee that the injury has fully healed and it is safe to return to full activity.
Water does not provide energy directly, but it is involved in metabolic processes that produce energy. The functions of water in the body include absorbing and transporting nutrients, helping to regulate body temperature, and lubricating our moving parts.
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What occurs when people degrade ecosystems by using more from them than can be replenished?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
They threaten the Earth's ability to provide essential services.
They become a sustainable society.
They have achieved a balance of resource use.
They ensure that future generations will enjoy the same resources.
Answer:
The correct answer is: "They threaten the Earth's ability to provide essential services."
Explanation:
The correct answer is: "They threaten the Earth's ability to provide essential services."
When people degrade ecosystems by using more resources than can be replenished, it can lead to a decline in the health and functioning of the ecosystem. This can reduce the availability of essential services, such as clean water, fertile soil, and biodiversity, that the ecosystem provides to support life on Earth. Overuse of resources and pollution can also lead to environmental degradation, which can impact the health and well-being of humans and other species.
complete an explanation of the claim that the nuclear envelope is a synapomorphy that defines eukaryotes as a monophyletic group. match the terms in the left column to the appropriate blanks in the sentences on the right. not all terms will be used. resethelp have it is valid did not have had it is not valid do not have because all eukaryotes living today blank cells with a nuclear envelope, it is valid to infer that their common ancestor also blank a nuclear envelope. because bacteria and archaea blank a nuclear envelope, blank to infer that the trait arose in the common ancestor of eukaryotes.
The nuclear envelope is a synapomorphy that defines eukaryotes as a monophyletic group.
What is monophyletic group ?A monophyletic group is a group of organisms that are all descended from a common ancestor. This means that all members of the group share a single ancestor, and their evolutionary histories have not diverged from that ancestor. In contrast, a polyphyletic group is one composed of organisms that do not all share a single ancestor. Monophyly is an important concept in biological classification, since it allows biologists to identify groups of organisms and determine their evolutionary relationships.
Because all eukaryotes living today have cells with a nuclear envelope, it is valid to infer that their common ancestor also had a nuclear envelope. Because bacteria and archaea do not have a nuclear envelope, it is not valid to infer that the trait arose in the common ancestor of eukaryotes. Therefore, the nuclear envelope is a synapomorphy that defines eukaryotes as a monophyletic group.
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All cells that are capable of replication and metabolism contain which of the following characteristics?
-organelles
-chromosomes
-cell walls
-ribosomes
-flagella
-cell membrane
The characteristic that all cells that are capable of replication and metabolism contain is a cell membrane.
The authors note that microcolonies contained cells of diverse morphologies (see Figure B7.4). Which statement best explains the existence of diverse cell morphologies? O The low nutrient availability in this system resulted in diverse cell morphologies O Because cell morphologies change over time, the diverse shapes probably represent cells of different ages O Growth on the polycarbonate filter resulted in aberrant cell morphologies O Cells of different morphologies probably represent cells of different species
Because cell morphologies change over time, the diverse shapes probably represent cells of different ages.
What is Cell?Cell is the basic unit of life in all living organisms. It is the smallest unit of matter that is able to carry out all of the processes necessary to sustain life. Cells are the basic building blocks of living things and are composed of various structures and substances, including water, proteins, nucleic acids, lipids, and carbohydrates. Cells can be found in many different shapes and sizes, and they are capable of performing a wide variety of functions, such as movement, metabolism, growth, and reproduction.
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which of these are visible characteristics of stratified squamous epithelium? select all that apply. view available hint(s)for part c which of these are visible characteristics of stratified squamous epithelium?select all that apply. the boundary between stratified squamous epithelium and connective tissue is indistinct and hard to see. the squamous cells closer to the lumen are fuller and rounder while the squamous cells closer to the connective tissue are flatter. there are so many layers of cells that it would be difficult to count them precisely. the squamous cells closer to the lumen are flatter while the squamous cells closer to the connective tissue are fuller and rounder. stratified squamous epithelium is always adjacent to a free space or lumen.
There are so many layers of stratified squamous epithelium cells that it would be difficult to count them precisely. The stratified squamous epithelium is always adjacent to a free space or lumen. The squamous cells closer to the lumen are flatter while the squamous cells closer to the connective tissue are fuller and rounder. Thus, the correct options are A, C, and D.
What are the Stratified squamous epithelium?Stratified squamous epithelium is the type of epithelial cells which usually has the protective functions, including protection against the microorganisms from invading the underlying tissue and protection against the water loss. The outer layer of the skin, the epidermis is made up of stratified squamous epithelial cells.
Stratified squamous epithelium is usually composed of multiple layers of the squamous cells. These cells are generally present lining the lumen or free space such as the skin, buccal mucosa. They have the flat cells at the luminal end while the basal cells are slightly round and full in shape. The stratified squamous epithelium is always adjacent to a free space or lumen.
Therefore, the correct options are A, C, and D.
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Your question is incomplete, most probably the complete question is:
Which of these are visible characteristics of stratified squamous epithellum? Select all that apply. View Available Hint(s)
A. There are so many layers of cells that it would be difficult to count them precisely.
B. The squamous cells closer to the lumen are fuller and rounder while the squamous cells closer to the connective tissue are flatter
C. Stratified squamous epithelium is always adjacent to a free space or lumen.
D. The squamous cells closer to the lumen are flatter while the squamous cells closer to the connective tissue are fuller and rounder
E. The boundary between stratified squamous epithelium and connective tissue is indistinct and hard to see
Cells use different processes at different times to provide an organism with the energy that it needs. Spirulina is an autotrophic bacteria that can be found in freshwater and marine environments. Which process takes place in the cells of spirulina that does not occur in the cells of a human? photosynthesis aerobic respiration anaerobic respiration cellular respiration.
The process that takes place in spirulina that is not found in the human body processes is photosynthesis.
Spirulina is a cynobacterium that is capable of obtaining its energy or food by photosynthesis. Humans cannot do this, we obtain our energy from the food we eat. .
The correct option is D ; Cellular respiration , Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body. Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
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Which of the following are forms of asexual reproduction? Select three options.
Binary fission, fragmentation, and sporulation are the forms of asexual reproduction.
What is asexual reproduction?
Asexual reproduction is a type of reproduction that does not involve the fusion of gametes, or the fusion of two different types of cells. This type of reproduction occurs in single-celled organisms, such as bacteria and protists, and in multicellular organisms such as plants and fungi. In asexual reproduction, an organism can reproduce without the need for another organism. This is accomplished by the organism producing replicas of itself through mitosis, a process in which the cell divides into two identical daughter cells. Asexual reproduction is the most common form of reproduction in the natural world, and it is the primary form of reproduction for many species.
The three forms of asexual reproduction are binary fission, fragmentation, and sporulation. In binary fission, a single organism splits into two identical organisms. In fragmentation, an organism breaks down into smaller parts, which then grow and develop into new organisms. In sporulation, spores are formed and dispersed, which then develop into new organisms. Zygote formation and fertilization are forms of sexual reproduction.
Therefore, Binary fission, fragmentation, and sporulation are the answers.
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Identify and construct an explanation of the main disadvantage of growing a potato crop with few variations. What could be an unwanted effect
Growing a potato crop with few variations can lead to genetic homogeneity, which means that all the plants have very similar genetic makeup.
How can lack of genetic diversity affect crops?This lack of genetic diversity can make the crop more susceptible to diseases, pests, and environmental stresses, such as drought or extreme temperatures. If a disease or pest infestation targets the specific genetic makeup of the crop, it can quickly spread and wipe out the entire crop.
In contrast, if there is genetic variation within the crop, some individuals may have genetic traits that make them resistant to the disease or pest, allowing them to survive and reproduce. This genetic diversity helps to maintain the health and resilience of the crop, and increases the likelihood that some individuals will survive and pass on their beneficial traits to future generations.
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Which of the following characteristics is common to all three biopolymers (carbohydrates, proteins and nucleic acids)? They are all synthesized based on a template. For every]monomer which is added to a growing polymer chain, the condensation of a water molecule is required. They all have two distinct ends giving them directionality. They all may contain branches.
The characteristics that is common to all three biopolymers (carbohydrates, proteins and nucleic acids) IOS :
For every monomer which is added to a growing polymer chain, the condensation of a water molecule is required.Option B is correct.
What are biopolymers?Biopolymers are described as natural polymers produced by the cells of living organisms.
The process of joining monomers by the elimination of water molecules is known as dehydration synthesis or condensation reaction.
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The relative amounts of DNA present in the nucleus of a cell at four different stages of the life cycle are shown in Figure 1.
Figure 1. Relative amounts of DNA present in the nucleus of a cell
Based on Figure 1, which of the following statements correctly links a stage of the cell cycle with the event occurring at that stage?
answer choices
O Stage I represents the G 2 phase of the cell cycle.
O Synthesis of sufficient DNA for two daughter cells occurs in stage II
O Stage III includes mitosis.
O The replication of genetic material occurs in stage IV
Answer: The correct statement linking a stage of the cell cycle with the event occurring at that stage based on Figure 1 is:
Stage III includes mitosis.
This is because the relative amount of DNA at stage III is at its maximum, indicating that the cell has undergone DNA replication and is preparing for mitosis, where the replicated DNA will be separated into two daughter cells.
Explanation:
chromatin consists of . chromatin consists of . membrane wrapped around rna membrane wrapped around dna dna and protein rna and protein
Chromatin consists of DNA and protein.
What is DNA?
DNA is a genetic component of a cell that contains the instructions needed for an organism to develop and perform its functions. With the usage of DNA molecules, this knowledge is passed down from one generation to the next.
What is protein ?
An amino acid-based compound. The body cannot function correctly without proteins. They serve as the building blocks for various chemicals like enzymes, cytokines, and antibodies as well as for body tissues like skin and hair.
Therefore, Chromatin consists of DNA and protein.
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For which of the given P-values would the null hypothesis be rejected when performing a level.05 test?
a. 0.001
b. 0.021
c. 0.078
d. 0.047
e. 0.148
The null hypothesis would be rejected for P-values less than or equal to the significance level, which is 0.05 in this case. Therefore, the answer is:
a. 0.001
d. 0.047
Water purification, pollination, and other _____ are economically valuable and essential for life on Earth.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
ecosystem services
recreational activities
cultural benefits
gross domestic products
Answer:
The correct answer is "ecosystem services".
Explanation:
The correct answer is "ecosystem services".
Ecosystem services refer to the benefits that humans derive from natural ecosystems. They are essential for human well-being and are economically valuable. Examples of ecosystem services include water purification, pollination, climate regulation, and nutrient cycling. These services are essential for life on Earth and provide a wide range of benefits to humans, such as food, clean water, and recreation.
Recreational activities and cultural benefits are also important, but they are not necessarily essential for life on Earth or directly related to the functioning of ecosystems. Gross domestic product (GDP) is a measure of the economic output of a country and is not directly related to ecosystem services, although the two can be indirectly linked if economic activity depends on the provision of ecosystem services.
what is eukaryotic and prokaryotic
Answer:
Prokaryotic cells are cells without a nucleus. Eukaryotic cells are cells that contain a nucleus.
Explanation:
Eukaryotic cells are cells containing membrane-bound organelles and are the basis for both unicellular and multicellular organisms. In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms.
Vacuoles are found in plants, animals and single-celled organisms. In plants, vacuoles can occupy up to 90% of the cell while in animals, vacuoles are much smaller and also help store ions and nutrients. Single celled organisms that live in aquatic environments, like Paramecium, have a contractile vacuole to maintain homeostasis.
Based on what you know about the function of vacuoles, a vacuole helps an organism maintain homeostasis by
A vacuole helps an organism maintain homeostasis by storing ions, nutrients, and other materials necessary for the cell's metabolism.
What is vacuole?Vacuole is a membrane-bound organelle found in most eukaryotic cells. It serves as a storage compartment for molecules such as enzymes, ions, and proteins. It also helps maintain the cell’s water balance and can be involved in the degradation of macromolecules. Vacuoles vary in size depending on their purpose and the type of cell they are found in.
In single-celled organisms like Paramecium, the contractile vacuole also helps maintain homeostasis by pumping excess water out of the cell to prevent it from becoming too full. In plants, vacuoles also help to regulate the turgor pressure of the cell, which helps to maintain the shape of the plant cell and its overall structure.
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The clarity of lake water is affected by the amount of phytoplankton
Answer:
yes they feed off of algae so they turn green so the lake becomes green and murky
Explanation:
Identify, which one is chloroplast and which one is mitochondria
Answer:
Explanation:
The first one is mitochondria and the second is the chloroplast
