Which of the following is an example of adaptation? A. A rabbit population in wh

Question

Which of the following is an example of adaptation?

A. A rabbit population in which all of the members change fur color from brown to white as the seasons change.

B. A butterfly population where each individual makes more of an enzyme for processing toxins as its exposure to toxic plants increases.

C. An eagle population where adult eagles develop a tolerance for invasive mites over 5 years.

D. A fish population in which the average skin brightness decreases over several generations in the presence of predators.

You encounter two populations of slop ivy on a mountain. Population A is found in a humid valley. Its leaves are broad and thin, which maximizes sun exposure. Population B is found higher on the mountain, where the air is dry. Its leaves are thicker and narrower, which minimizes water loss through evaporation. You don't know how often seed move between these populations. Which of the following can you deduce?

A. Wide, thin leaves are an adaptaion in Population A.

B. Narrow, thick leaves are an adaptation in Population B.

C. Leaf differences are due to acclimation of the ivy species to different environments.

D. There is not enough information to infer any of the above options.

Explanation / Answer

Answer 1: D. A fish population in which the average skin brightness decreases over several generations in the presence of predators.

Answer 2: D. There is not enough information to infer any of the above options.

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