Which of the following is the basis of natural selection?

Question

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Natural selection occurs when individuals with certain traits have a higher rate of survival and reproduction compared to those without those traits. This differential reproductive ability leads to some traits becoming more common in a population over time. This process is the basis of natural selection. Choices A and B are factors that can contribute to genetic variation, but alone they do not drive natural selection. Small population size can impact genetic drift, but it is not necessarily connected to natural selection.

Which of the Following Is the Basis of Natural Selection