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What must be true for natural selection to happen?

A. There can be no competition for resources
B. There must be genetic variation in the population.
C. All organisms must reproduce the same amount.
O D. The population must be below carrying capacity.

User Oszkar
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1 Answer

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Answer:

B

Step-by-step explanation:

There must be genetic variation in the population.

User Frankely Diaz
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