In which type of selection does a change in the environment make it so that individuals with one type of extreme trait survive and reproduce at higher rates than other individuals?
A. directional selection
B. stabilizing selection
C. disruptive or diversifying selection
D. frequency-dependent selection
Answer (2)
Directional selection occurs when environmental changes favor individuals with a specific extreme trait, leading to increased survival and reproduction. An example is the peppered moth, where dark-colored moths thrived during the Industrial Revolution. This process contrasts with other selection types like stabilizing or disruptive selection. ;
Directional selection occurs when environmental changes favor individuals with a specific extreme trait, leading to increased survival and reproduction. A well-known example is the peppered moth during the Industrial Revolution, where dark-colored moths thrived due to their camouflage against soot-darkened trees. Therefore, the correct answer to the question is A. directional selection.
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