BIOLOGY HIGH SCHOOL

A group of organisms of a certain species that isin one area at a given time is known as
A an ecosystem B a community C a population D a trophic level

Answers

Answer 1
Answer:

A group of organisms of a certain species present in one area at a given time is called a population. So the correct option is C.

What is a population?

The entire number of inhabitants of a particular area counted at a particular time is referred to as the population of that area. The population of any area is never stagnant and it is continuously changing. A day after a count a new individual might be born and someone might die.

The population is controlled by various limitingfactors. These are the availability of living space. Availability of food, habitat, and presence of predators are some of the factors that control the population of a species and act as limiting factors.

The population of a species are able to interbreed within themselves to produce similar organisms to continue the population.

A reduction in the size of a population is called a populationbottleneck and an increase in the size of a population is called overpopulation.

Therefore the correct option is C.

Read more about the population, here

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Answer 2
Answer: A group of organisms of a certain species is called B. a community.

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Efore cell reproduction or mitosis can proceed, what is the correct sequence of steps that MUST first occur?A) chromosome replication, chromosome checking and repair, growth
B) growth of cytoplasm, duplication of cellular organelles, chromosome replication
C) replication of chromosomes, growth, duplication of cellular contents and organelles
D) growth, chromosome replication, repair of chromosomal errors, duplication of cell organelles,

Answers

C) replication of chromosomes, growth, duplication of cellular contents and organelles

During lactic acid fermentation, pyruvate is converted to lactic acid and carbon dioxide.False
True

Answers

Answer:

true

Explanation:

The answer is true.

                     

Classification activity

Answers

classification of what?

Answer:

Classificaton of wat

Explanation:

Useful mutations become established much more quickly in a population of microorganisms, such as the cluster of E-coli bacteria shown here, than they do in humans. The MOST LIKELY reason for this is that microorganisms

Answers

The answer is microorganisms have rapid cell cycle.

Microorganisms are much simpler and much smaller organisms than humans. Because of their size and complexity, they reproduce in extremely rapid pace. For example, E. coli population is able to double each 20 minutes. This is, of course, not the case with humans.
For the mutation to become established, there must pass a few generations. So, if a useful mutation establishes in E. coli cell, in 20 minutes it will be present in the next generation, in 40 minutes it will be present in the generation after that, and so on. In the humans, years (not minutes) are necessary for the mutation to be passed down to the first generation. It needs less time to establish a mutation in E. coli than in humans.

Answer:

B on USATestPrep

Explanation:

Thanks to the other person who answered, rapid cell cycle is asexual reproduction very fast.

What would most likely happen if an error occurred when RNA was receiving coding information?

Answers

If an error occurred when RNA was receiving coding information a protein wouldn't be formed correctly. RNA need's coding information to determine what type of protein it needed to produce. Hope I helped!

Briefly explain how gaseous exchange takes place in terrestrial plants.​

Answers

Answer:

Gaseous exchange, or respiration, is the process in which terrestrial plants take in oxygen from the air and release carbon dioxide. It involves a series of biochemical processes that take place within specialized cells embedded within the plant's leaves.

The first step of gaseous exchange in terrestrial plants is diffusion, where molecules move from an area of high concentration to an area of lower concentration. In this case, atmospheric oxygen diffuses into leaf cells through small openings on their surface called stomata. As these molecules enter the leaf cells, they are taken up by specialized photosynthetic organelles known as chloroplasts.

Chloroplasts then absorb energy from sunlight and use it to combine CO2 with water (H2O) to produce sugars and other organic compounds such as amino acids and lipids (photosynthesis). The resulting reaction produces chemical energy stored in the form of ATP (Adenosine Triphosphate). This ATP drives various metabolic pathways that use oxygen as well as glucose for cellular respiration. During this process, some oxygen enters the cell while some carbon dioxide is released back out into the atmosphere through small openings on their surface called stoma – completing the cycle of gas exchange between terrestrial plants and their environment.

Explanation:
Answer:
In terrestrial plants, gaseous exchange takes place through tiny openings called stomata on the surface of leaves. These stomata allow for the exchange of gases such as carbon dioxide and oxygen with the surrounding atmosphere. During photosynthesis, carbon dioxide enters the plant through the stomata, while oxygen produced during photosynthesis exits through the same openings. This process enables plants to obtain the necessary carbon dioxide for photosynthesis and release oxygen as a byproduct.
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