Select one: OA. genetic variation among individuals O B. variation among individuals caused by environmental factors OC. sexual reproduction O D. Three of the responses are correct. O E. Two of the responses are correct.

Select one: OA. genetic variation among individuals O B. variation among individuals caused by environmental factors OC. sexual reproduction O D. Three of the responses are correct. O E. Two of the responses are correct.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter11: Evolution And Its Processes

Section: Chapter Questions

Problem 7RQ: In which of the following pairs do both evolutionary processes introduce new genetic variation into...

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Question

I need a clear explanation here please

Which of the following must exist in a population before natural selection can act upon that
population?
Select one:
O A.
genetic variation among individuals
O B.
variation among individuals caused by environmental factors
OC.
sexual reproduction
O D.
Three of the responses are correct.
E.
Two of the responses are correct.

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