Answer:
Explanation:
5 steps for creating a wet mount slide?
Wet Mount:
Place a drop of fluid in the center of the slide.
Position sample on liquid, using tweezers.
At an angle, place one side of the cover slip against the slide making contact with outer edge of the liquid drop.
Lower the cover slowly, avoiding air bubbles.
Remove excess water with the paper towel.
Natural selection should favor the highest proportion of juxtamedullary nephrons in which of the following species? a. river otter b. mouse living in a temperate broadleaf forest c. mouse living in a desert d. beaver
Natural selection should favor the highest proportion of juxtamedullary nephrons in which of the following species
b. mouse living in a temperate broadleaf forest
The juxtamedullary nephron is the microscopic structure of the functional unit of the kidney, which has a lengthy Henle loop. Deep into the renal medulla, they are present.
The rate of filtration in juxtamedullary nephrons increases with glomeruli size. Comparatively speaking to cortical nephrons, the filtration rate is higher. Only mammals and birds are known to have juxtamedullary nephrons.
The mouse that lives in the desert exhibits a greater propensity to lose bodily water. The biggest proportion of juxtamedullary nephrons is developed by creatures that live in the desert as a result of natural selection.
As a result, the desert mouse has a larger proportion of juxtamedullary nephrons than the other species.
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please help please answer
Answer:
It was cooler in the summer than in the winter
Explanation:
Chart shows 4 degrees warmer in December compared to July.
In the context of workplace deviance, unlike political deviance, personal aggression?
In the context of workplace deviance, unlike political deviance, personal aggression involves using one's influence to harm others. Option A
This is further explained below.
What is political deviance?Generally, Political deviance refers to behaviors, such as participating in social interactions, that place the personal or political standing of other people in a worse position than they were in before.
The majority of the time, political deviance will take the form of improper human relations that take place at workplaces and cause harm to other people.
Meta Platforms is the company that created the online collaboration software product known as Workplace.
In conclusion, Online collaboration, instant messaging, video conferencing, and the dissemination of news are some of the activities that may be facilitated by the platform.
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complete question
In the context of workplace deviance, unlike personal aggression, political deviance:
involves using one's influence to harm others.
includes verbal abuse and personally threatening coworkers.
involves direct hostility toward others.
includes the theft of company merchandise.
Global warming is occurring rapidly in Arctic marine and terrestrial ecosystems, including tundra and northern coniferous forests. In such locations, reflective white snow and ice cover are melting quickly and extensively, uncovering darker-colored ocean water, plants, and rocks. In a short essay (100-150 words), explain how this process might represent a positivefeedback loop (see Concept 40.2).
This positive feedback loop causes a big impact on the local environment and actively raises the temperatures especially in the Arctic regions.
Global warmingLong-term changes in temperature and weather patterns are referred to as climate change. These movements may be natural, but human activities have been the primary driver of climate change since the 1800s, mostly owing to the combustion of fossil fuels (such as coal, oil, and gas), which emit heat-trapping gases.
Global warming is a component of climate change that refers to the long-term rise in global temperatures. It is caused by increased concentrations of greenhouse gases in the atmosphere, primarily from human activities such as the use of fossil fuels and farming.
Major effects of global warmingMore frequent and severe droughts, storms, heat waves, rising sea levels, melting glaciers, and warmer waters can directly hurt animals, destroy their habitats, and devastate people's livelihoods and communities.
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How is the cell cycle important to the processes of mitosis and meiosis
Answer:
Living things need both meiosis and mitosis to function.
In order for the body to grow, mitosis takes place. Mitosis is what causes us to grow from the size of a baby to the size of an adult. The cell creates a copy of itself during mitosis, enabling the organism to grow larger through repeated mitotic divisions. In order to replace damaged or dead cells, mitosis also takes place. Without mitosis, cells cannot be repaired or grown.
Explanation:
Gametes are created during meiosis. Four genetically distinct haploid gametes (eggs or sperm) are created during one round of meiosis. Without meiosis, gametes wouldn't develop and humans wouldn't be able to procreate.
Thinking in broad terms, what similarities can you identify between digestion in an animal body and the breakdown of gasoline in an automobile? (You don't have to know about auto mechanics.)
The food or fuel is broken down into little molecules during digestion in an animal's body and during the breakdown of gasoline in a car, and waste products are expelled. Both food and fuel decompose in several compartments.
Living things rely on a variety of energy sources, including sunshine, fossil fuels, air, uranium, and biomass.One such fuel, gasoline, is made of hydrocarbons extracted from petroleum using fractional distillation. Its complex form contains a variety of chemical components.Glucose is produced during food breakdown. The body and its organs are able to move because respiration, the burning of glucose while oxygen is present, produces ATP. Similar to this, the heat energy created when gasoline is burned in an internal combustion engine is transformed into mechanical energy.Carbon dioxide and other waste products are released during burning. Food and gasoline both provide energy, making them both fuels. In the compartments, they disassemble into straightforward molecules. Waste materials are created during the breakdown process, which also removes them from their sources.Movement is made possible by the energy produced during the breakdown process.Learn more about the combustion with the help of the given link:
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If a body is decomposed enough that normal recognition isn't possible, what macromolecule might a forensic scientist test for to confirm that remains are human and try to get a match to a missing person?
Lipids
Proteins
Nucleic acids
Carbohydrates
The macromolecule that the forensic scientist can test for to confirm that remains are human and try to get a match to a missing person is nucleic acids..That is option C.
Who is a forensic scientist?A forensic scientist is a trained individual to analyze crime scenes to determine what evidence should be collected following a criminal case or murder case.
The areas that a forensic scientist make use of during an investigation to identify a human remains include the following:
fingerprints, dental records and DNA.The DNA is most important even in cases where the body has decomposed beyond recognition
Deoxyribonucleic acid (DNA) is a genetic molecule that carries a specific information concerning an individual.
The Deoxyribonucleic acid (DNA) is an example of nucleic acids, therefore, the macromolecule that the forensic scientist can test for to confirm that remains are human and try to get a match to a missing person is nucleic acids.
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10 POINTS
Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
about 78 percent
less than 1 percent
about 21 percent
more than 99 percent
Nitrifying bacteria participate in the nitrogen cycle mainly by a. converting nitrogen gas to ammonia. b. releasing ammonium from organic compounds, thus returning it to the soil. c. converting ammonium to nitrate, which plants absorb. d. incorporating nitrogen into amino acids and organic compounds.
Nitrifying bacteria participate in the nitrogen cycle mainly by converting ammonium to nitrate, which plants absorb. So, the correct option is (c).
Chemolithotrophic organisms known as nitrifying bacteria include species from the genera Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrospina, Nitrospira, and Nitrococcus. The oxidation of inorganic nitrogen molecules provides the energy needed by these bacteria. Ammonia, the most reduced form of soil nitrogen, is transformed into nitrate by nitrifying bacteria.
By itself, this plays a crucial role in maintaining the balance of soil nitrogen losses due to leaching and nitrate denitrification. Filter media is a great sowing medium. The simplest approach to apply this technique is to add an additional filter to an existing tank for a few weeks so that nitrifying bacteria can develop on the filter media. Sponge filters are perfect for this because they are portable, affordable, and compact.
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Which of the mrna processing events occurs in the nucleus of human cells? select all that apply. poly-a tail addition 5' cap addition splicing of exons excision of introns
The mRNA processing events that occurs in the nucleus of human cells are as follows:
5′-end cappingsplicing3′-end polyadenylationWhat is mRNA processing?mRNA is synthesized from a gene as a result of transcription. This mRNA is called pre-mRNA.
However, this pre-mRNA must undergo processing to get rid of unnecessary things before translation into useful products.
The states of mRNA processing are as follows:
5′-end cappingsplicing3′-end polyadenylationThese three stages of mRNA processing occurs in the nucleus before the matured mRNA exits for translation.
Therefore, the mRNA processing events that occurs in the nucleus of human cells are as follows:
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Why might the stomata be called "necessary evils"?
Answer: It is necessary for the stomata to open to allow CO2 into the leaf. While the stomata are open, water vapor will escape from the leaf. If too much water vapor escapes the leaf, the plant could wilt and eventually die.
Explanation:
A protist that you observed in lab gains nutrients by absorbing small, liquid droplets. Which term best describes this metabolic
process? (1 point)
O photosynthesis
O decomposition
O phagocytosis
O pinocytosis
A protist that you observed in the lab gains nutrients by absorbing small, liquid droplets. Pinocytosis best describes this metabolic process.
The process by which the cell takes in the liquids together with dissolved tiny molecules is known as pinocytosis (the Greek word pino meaning "to drink"). The cell membrane folds during this process, forming tiny pockets that catch the cellular fluid and other dissolved materials.
A cellular process called endocytosis, in which chemicals are carried inside a cell is illustrated by the process of pinocytosis. Phagocytosis and receptor-mediated endocytosis are other kinds of endocytosis.
Once inside the cell, the protein is broken down into its individual amino acids, which are then reabsorbed into the interstitial fluid through the basolateral membrane. Pinocytosis is seen as an example of active transport because it uses energy.
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Why does a beach ball weigh less than a bowling ball?(1 point)
The beach ball has more air.
The beach ball has more air.
The beach ball has more mass.
The beach ball has more mass.
The beach ball pushes harder against Earth.
The beach ball pushes harder against Earth.
The beach ball is less strongly attracted to Earth.
Answer:
The last one
Explanation:
The beach ball is less strongly attracted to Earth.
Learning multiple languages is typically easier early in childhood than later in life. How does this fit with our understanding of neural development?
Babies and young children learn languages at a faster rate due to the brain's elasticity and rapid neural formation. This is known as the "critical period" in some circles.
What is neural development?The procedures that garner, shape, and reorganize the nervous system of animals from the earliest stages of embryonic development to adulthood are referred to as neural development (neurodevelopment).
According to research, learning a second language improves problem-solving, critical thinking, and listening skills, as well as memory, concentration, and the ability to multitask.
Children who are fluent in another language exhibit increased creativity and mental flexibility.
Thus, it can be concluded that that it is easy to learn multiple languages early in childhood than later in life.
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Where is exponential growth by a plant population more likely-in an area where a forest was destroyed by fire or in a mature, undisturbed forest? Why?
Exponential growth is more likely in areas where a forest has been burned out. The first plants to find adequate habitat there would find plenty of space, nutrients, and sunshine. Plants would compete fiercely for these resources in an undisturbed forest.
Exponential growth :Exponential growth is the process by which quantity rises over time. It occurs when a quantity's instantaneous rate of change with regard to time is proportionate to the quantity itself.
What causes exponential growth in a population ?Population growth exhibits exponential growth when resources are unrestricted, resulting in a J-shaped curve. When resources are scarce, populations expand logistically. As resources become scarce, population increase slows in logistic growth.
Can environments support exponential growth ?Exponential growth can occur in environments with few people and many resources, but as the population grows, resources become depleted, reducing the pace of increase. The rate of growth will eventually plateau or level out.
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In 2005, at least ten grizzly bears in the greater Yellowstone ecosystem were killed through contact with people. Three things caused most of these deaths: collisions with automobiles, hunters (of other animals) shooting when charged by a female grizzly bear with cubs nearby, and conservation managers killing bears that attacked livestock repeatedly. If you were a conservation manager, what steps might you take to minimize such encounters in Yellowstone?
Reduce the kinds of encounters where bears are killed. Recommend lower speed limits on roads in the park, adjust the timing of hunting seasons to limit contact with mother bears and cubs, and provide financial incentives to livestock owners for trying alternative means of protecting livestock.
The effective populace size Ne is generally smaller than the census populace size N of an actual population. The identical population may have a couple of effective populace sizes, for special properties of hobby, together with for different genetic loci.
Genetic range normally underpins populace resilience and staying power. reductions in populace size and shortage of gene glide can cause reductions in genetic range, reproductive health, and a limited ability to conform to environmental trade growing the danger of extinction. including nutrients causes population explosions of algae and the organisms that feed.
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Suppose you are analyzing the DNA from the polar bodies formed during human oogenesis. If the woman who produced the oocyte has a mutation in a known disease gene, would analyzing the polar body DNA allow you to infer whether the mutation is present in the mature oocyte? Explain.
If the woman who produced the oocyte has a mutation in a known disease gene, then by investigating the DNA of the polar body during human oogenesis, we can gather that potential illness can be available inside the adult ovum.
During oogenesis, the optional oocyte goes through meiotic division and produces an ovum and a polar body. The maternal DNA is conveyed similarly in the two cells.
By breaking down the DNA of the polar body, the X-connected and autosomal problems can be recognized. It can't help in deciding the autosomal latent problems as it has just maternal genomic data. Assuming the transformation is found inside a known hereditary disease that it can assist in gathering that the change with canning is available in the mature ovum likewise, during meiosis, sister chromatids are partitioned and isolated into the phones.
Indeed, by investigating the DNA of the polar body we can gather that potential illness can be available inside the adult ovum.
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Describe one safe activity that you see?
Answer:
6th person
Explanation:
he isn't touching anything with his hands and not facing any risky thing
let me know if this was helpful
In a rapidly changing environment, which bacterial population would likely be more successful, one that includes individuals capable of conjugation or one that does not? Explain.
In a rapidly changing environment, a bacterial population that includes individuals capable make genetic conjugation would likely be more successful than one population that does not include it.
What is bacterial conjugation?Bacterial conjugation is a process by which bacteria can interchange genetic material (i.e., DNA),. which helps the bacteria to survive rapidly changing environment, due to the fact that bacteria have more sources to change and adapt.
These bacteria that undergo conjugation may have a higher fitness due to they are able to survive more than non conjugated bacteria in the environment (for example, an environment with antibiotics) which may hamper the survival of the bacterial population.
In conclusion, in a rapidly changing environment, a bacterial population that includes individuals capable make genetic conjugation would likely be more successful than one population that does not include it.
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Assume B = dominant; b = recessive.
What will be the result if
Bb mates with bb?
Select one:
O a. All of the offspring will exhibit the recessive trait.
O b. The recessive trait will show up in about 50% of the offspring.
O c. All of the offspring will exhibit the dominant trait.
O d. The dominant trait will show up in about 75% of the offspring.
The recessive characteristic will appear in about 50% of the offspring with a cross between Bb and bb.
How is this possible?Cross allows each allele from one parent to pair with another allele from the other parent.In this case, the "B" allele from one parent will pair with each "b" allele from the other parent, resulting in two "Bb" alleles.The "b" allele from the same parent will pair with the "b" allele from the other parent, resulting in two "bb" alleles.In this case, we have two "Bb" allele pairs and two "bb" allele pairs for the offspring. As the "b" allele is recessive and only expresses the trait it represents in the company of another recessive allele, we can say that it will appear in approximately half of the offspring, that is, 50 percent.
This result can be seen on the punnet square, where we plotted a diagram and placed the alleles of the parents in the main rows and columns. Cells within the frame must be filled with the combination of alleles from the parents.
You can see the Punnet square for this cross in the attached figure.
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when forming a semisolid gel such as gelatin, what type of molecule does the process of protein coagulation entrap?
When forming a semisolid gel such as gelatin,water molecule does the process of protein coagulation entrap.
The term "coagulation" refers to the modification of a protein's structure (from a liquid to a solid or a thicker liquid) caused by heat, mechanical force, or acids. In the process of creating cheese, enzymes can also produce protein coagulation.
Proteins like albumin and globulin can be detected in protein using a biochemical test called the heat coagulation test. It is a typical occurrence for proteins to coagulate in reaction to heat. Denaturation and agglutination or the separation of the denatured protein in a particular form are the two processes in which heat coagulation of proteins takes place. When coagulable proteins are heated to their isoelectric pH, a number of changes take place to the proteins. These changes include the dissociation of subunits or the quaternary structure, the uncoiling of the polypeptide chains, and eventually the matting together of uncoiling polypeptide chains.
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Cells that are related to eukaryotes but similar in structure to bacteria are called ______.
Cells that are related to eukaryotes but similar in structure to bacteria are called archaea.
The overall cellular structure of archaea and microorganisms are equal but the composition and agency of a few structures range in archaea. much like micro organisms, archaea no longer have interior membranes but each have a cell wall and use flagella to swim.
Each bacteria and archaea have cell membranes and that they each comprise a hydrophobic issue. within the case of bacteria, it's far a fatty acid, inside the case of archaea, it is a hydrocarbon phytanyl. each micro organism and archaea have a mobile wall that protects them.
However this visible similarity to micro organism, archaea's very own genes and numerous metabolic pathways which are greater closely associated with the ones of eukaryotes, considerably the enzymes involved in transcription and translation. Archaea display off form of chemical reactions of their metabolism and use many belongings of power.
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EVOLUTION CONNECTION The history of life has been punctuated by several mass extinctions. For example, the impact of a meteorite may have wiped out most of the dinosaurs and many forms of marine life at the end of the Cretaceous period (see Chapter 25 ). Fossils indicate that plants were less severely affected by this mass extinction. What adaptations may have enabled plants to withstand this disaster better than animals?
Some researchers hypothesize that the plants that possessed larger leaves were successful to cope with the extinction because they were quite resistant to the environmental stresses.
What adaptations may have enabled plants to withstand this disaster better than animals?During the mass extinction of the Dinosaurs, plants were majorly unaffected. Although Gymnosperms faced a high degree of extinction, the angiosperms could tackle the extinction and surprisingly diversified eminently. This has made the flowering plants much dominated and diverse group in the plant kingdom.
With this information, we can conclude that Another explanation involves the fact that the seeds can remain dormant until a suitable environment does not appear. Hence, the plant species were better preserved in comparison to the animal species during a mass extinction.
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__________, such as fats , carbohydrates, and lipids, play an important role in providing cells with energy.
Organic nutrients such as fats, carbohydrates, and lipids, play an important role in providing cells with energy.
What are biomolecules?Biomolecules are molecules, such as amino acids, sugars, nucleic acids, proteins, polysaccharides, DNA, and RNA, that occur naturally in living organisms.
Biomolecules are also called biological molecules because they are produced by living organisms. They are majorly categorized into four as follows:
CarbohydratesProteinsLipidsNucleic acidsThese molecules can serve as organic nutrients that perform different and specific functions in the living body of organisms.
Fats, carbohydrates and lipids are known to be stores of high energy, hence, they play an important role in providing cells with energy.
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What structure in plant cells stores salts, sugars, and pigments, contains enzymes that recycle and degrade molecules, and expands to exert turgor pressure?
Central vacuole structure in plant cells stores salts, sugars, and pigments, contains enzymes that recycle and degrade molecules, and expands to exert turgor pressure.
What is the central vacuole in a partition?A cellular organelle found in plant cells is called the central vacuole. The largest organelle in the cell is frequently this one. It serves as a container for waste and textiles and is covered by a membrane. Additionally, it serves to keep the right force within plant cells, which gives the growing plant support and structure.
What is the central vacuole and what is its position?
The central vacuole serves a variety of functions in plant cells, including storing salts, minerals, nutrients, proteins, and pigments, promoting plant development, and providing the plant with vital structural support.
In plant cells, the central vacuole structure stores salts, carbohydrates, and pigments. It also includes enzymes that break down and recycle molecules and expands to provide turgor pressure.
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The autonomic nervous system works to monitor processes such as breathing, heart rate, and digestion. the _____ nervous system is a subsystem within the autonomic system that calms the body.
The autonomic nervous system works to monitor processes such as breathing, heart rate, and digestion. The parasympathetic nervous system is a subsystem within the autonomic system that calms the body.
What is the nervous system?The nervous system is the system of organs and tissues which work together in the body to relay information to and from different parts of the body.
The nervous system with the brain at its center controls the activities of all other systems of the body.
The nervous system is divided into two:
the central nervous system and the peripheral nervous systemThe peripheral nervous system is divided into:
the nerves,the autonomic system, andthe somatic system.The autonomic system is divided into:
sympathetic system andparasympathetic systemThe parasympathetic system relaxes the body after periods of stress.
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How do the functions of Broca's area and Wernicke's area each relate to the activity of the surrounding cortex?
A neuronal route links Broca's area to Wernicke's area, The understanding is mostly affected by Wernicke's region. This region has traditionally been linked to the processing of both spoken and written language.
What are functions of Broca's area and Wernicke's area?The motor speech area is another name for Broca's area. It is situated in the inferior frontal gyrus, close to the motor cortex, and is used to produce speech.
This region controls the vocalizations necessary for typical speech, as well as the breathing patterns used while speaking.
The point at which speech is articulated. It is thought to be in charge of regulating the movements of the muscles that make up the speaking apparatus, as well as those of the lips, tongue, larynx, and throat.
Therefore, the functions of Broca's area and Wernicke's area each relate to the activity of the surrounding cortex.
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which muscles are controlled by the somatic nervous system? please choose the correct answer from the following choices, and then select the submit answer button. answer choices muscles that dilate and contract pupils skeletal muscles, such as muscles of the arm and hand muscles that contract and relax the bladder stomach muscles involved in digestion
Muscles controlled by the somatic nervous system are: skeletal muscles, such as muscles of the arm and hand.
Somatic nervous system is the one that regulates the voluntary actions of the body. It is a part of peripheral nervous system. The somatic nervous system consists of two parts: the spinal nerves and the cranial nerves.
Skeletal muscles are those that regulate the voluntary movements of the body, such that of hands, legs, joints, head, etc. These muscles are also called the striated muscles. They are multi-nucleated and also contain the maximum number of mitochondria in the whole body as they require maximum amount of energy.
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The most useful dating technique to establish the age of a fossil skull identified with homo erectus, a species that originated about 1.9 million years ago, would likely be ______ of associated rock.
Potassium-argon (K/A) dating of accompanying rock would most likely be the most effective dating technique for determining the age of a fossil skull identified with Homo Erectus, a species that evolved around 1.9 million years ago.
The potassium-argon dating method determines the age of rocks by measuring the ratio of radioactive argon to radioactive potassium in the rock.
This dating method is based on the decay of radioactive potassium-40 in minerals and rocks to radioactive argon-40; potassium-40 also decays to calcium-40. Potassium-argon dating is accurate from 4.3 billion years ago (the age of the Earth) to about 100,000 years ago.
Only 0.0053% of the potassium-40 in a rock would have decomposed to argon-40 after 100,000 years, exceeding the limits of current detection techniques.
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Describes both the role played by a species in a biological community and the set of environmental factors that determine its distribution.
The role of a species in a biological community depends on the nature of the species, as well as the availability of resources and competition.
What are the roles of species in a biological community?The role played by a species depends on the composition of the biological community as well as on the nature of the species.
For example, a tree in a given terrestrial habitat such as a rainforest plays the role of primary producer. Also, it can serve as shelter or home for other organisms.
The distribution of the tree in the forest depends on the availability of resources such as space, sunlight, water, as well as competition from the trees.
in conclusion, the role of a species depends on the composition of the biological community.
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