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kvv77 [185]
4 years ago
6

-)

Biology
2 answers:
liq [111]4 years ago
5 0

Answer:

D

Explanation:

A and B are wrong because environmental impacts can't change the amount of chromosomes an animal has. D is a better answer than c because genetic variation happens within a population rather than an individual.

TiliK225 [7]4 years ago
3 0

Answer:

Answer is the amount of genetic variation in a population Natural selection gets impacted by environmental factors.

Explanation:

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