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Ulleksa [173]
2 years ago
11

Crossing-over helps meiosis increase genetic diversity. On what structures does crossing-over occur and how does it increase div

ersity ?
Biology
1 answer:
solmaris [256]2 years ago
6 0

Explanation:

crossing over is the exchange of chromosome segment between non sister chromatids in meiosis full stop crossing over create new combination of gene in the gamates that are not found in either parent contributing to genetic diversity.

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The answer to your question is
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2 years ago
Natural selection is best described as _______.
victus00 [196]
Q1. The answer is <span>c. a mechanism of evolution.
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Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes. According to Darwin's theory of evolution, natural selection is the only factor that affects a frequency of different variations and it is the only mechanism of evolution. 


Q2. The answer is c. interactions between individuals.

Organisms interact with other organisms or abiotic factors in some system. The interaction <span>between individuals affects their regular distribution. For example, if two groups are in competition for resources, to maximize resource utilization, they will probably live in different areas or will defend territory. Also, some symbiotic organisms are expect to be distributed similarly.</span>

6 0
3 years ago
Which of the following is a density-independent factor affecting population growth?
MA_775_DIABLO [31]

III only (floods and drought) is an example of density-independent factor affecting population growth.

<h3>WHAT IS DENSITY-INDEPENDENT FACTOR?</h3>

Certain factors affect the growth and multiplication of living organisms in populations. These factors can either be;

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Density-independent factors are those factors that are not dependent on the density of the population to affect them. These factors are usually physical factors of the environment like;

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Therefore, III only (floods and drought) is an example of density-independent factor affecting population growth.

Learn more about density-independent factors at: brainly.com/question/13712356

3 0
2 years ago
Please solve fast in 5 min​
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Answer:

(C)

Explanation:

answer"A" can be cancelled as prokaryotic cells don't possess a nucleus.

answer"B" can be cancelled as animal cells don't have cell walls.

answer"D" can be cancelled if you know the cell theory.

6 0
2 years ago
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