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31 May, 18:59

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. Group of answer choices

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  1. 31 May, 21:58
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    2. A change occurs in the environment.

    4. Poorly adapted individuals have decreased survivorship.

    1. Well-adapted individuals leave more offspring than do poorly adapted individuals.

    3. Genetic frequencies within the population change.

    Explanation:

    The natural selection theory was developed by Darwin to explain how evolution occur within a population. The environment is in constant state of changes and always select for organisms that are better adapted to it.

    Poorly adapted organisms gradually reduce from the population as a result of decreased survival while well-adapted individuals multiply and contribute more to successive generation.

    Well-adapted individuals pass on the adaptive alleles to their offspring, eventually leading to a change in gene frequencies within the population.

    Hence, the sequence of events is 2, 4, 1 and 3.
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