Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection? 1. Well-adapted individuals leave more offspring than do poorly adapted individuals. 2. A change occurs in the environment. 3. Genetic frequencies within the population change. 4. Poorly adapted individuals have decreased survivorship.
A. 2 ? 4 ? 3 ? 1
B. 2 ? 4 ? 1 ? 3
C. 4 ? 1 ? 2 ? 3
D. 4 ? 2 ? 1 ? 3
E. 4 ? 2 ? 3 ? 1
B. 2 ? 4 ? 1 ? 3
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