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joja [24]
3 years ago
11

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

Biology
1 answer:
olga2289 [7]3 years ago
6 0
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.
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