Which of the following scenarios is explained by adaptive radiation?
A. The toxicity level of the bark of a species of plant increases due to constantly being attacked by aphids.
B. The color pattern of the moths living in the woods of England become darker as the levels of pollution increase during the Industrial Revolution.
C. The average running speed of a cheetah increases each generation due to the gazelles getting faster.
D. All of these are examples of adaptive radiation.
Answer: D
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