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amm1812
3 years ago
6

As an environment changes, and some organisms have a higher fitness than others, natural selection acts directly on what.

Biology
1 answer:
Xelga [282]3 years ago
4 0
Natural selection acts directly on a population's gene pool, but individuals evolve. 
Natural selection acts directly on genotype, but individuals evolve.
Natural selection acts directly on individuals, but genes evolve.
Natural selection acts directly on phenotype, but populations evolve.
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Hope it helps you

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