BIOLOGY HIGH SCHOOL

How do animals obtain the nitrogen they use to make proteins and nucleic acids? A. by consuming plants or other animals B. by absorbing ammonia from bacteria growing in the roots of plants C. by breathing the nitrogen present in the atmosphere D. by absorbing nitrogen found in the soil

Answers

Answer 1
Answer: The answer is A. by consuming plants or other animals. Organisms need nitrogen to make proteins and DNA. However, they cannot directly use nitrogen from the atmosphere. Thus, choice C. is incorrect. Most plants absorb ammonia from bacteria growing in the roots or from the soil. On the other hand, animals get nitrogen by consuming plants or other animals.
Answer 2
Answer:

A is your anwser have a good day ;)

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Answers

What is the figure that you are talking about in your question? I am afraid without the figure, your question can't be answered.

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Answers

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Can mice get fat from stress or fear? a) Yes b) No

Answers

Answer:

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what is the biological definition of a species? a.a group of organisms that look alike b.a group of similar organisms that live in different areas c.a group of similar organisms that live in one particular area d.a group of organisms that can mate with each other and produce fertile offspring

Answers

Answer:

Option D, a group of organisms that can mate with each other and produce fertile offspring

Explanation:

Organisms belonging to a certain species are sexually compatible in mating or interbreeding. They have the natural potential to mate and produce offspring that can further mate with each other to produce further fertile offspring and this process must go on. An organism that reproduce asexually cannot be easily classified into  a species. Also  hybrid organism (that reproduce both sexually and asexually)  cannot be classified into species.

Hence, option D is correct
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Answers

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how many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY

Answers

R   r
Y  Y

RY  rY
RY  rY
two different combinations.

Answer: A. 2

Explanation:
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