If an environment changes over time, _______________ may favor phenotypes at one of the extremes of the normal distribution.
A) frequency-dependent selection
B) balanced polymorphism
C) directional selection
D) stabilizing selection
E) genetic polymorphism

Question

Quizplus · Accepted Answer

Directional selection favors phenotypes at one of the extremes of the normal distribution, especially when an environment changes over time, leading to a shift in the population's traits towards that extreme.

If an Environment Changes Over Time, _______________ May Favor Phenotypes