If the average leg size of a reptile continually got smaller through generations,this would be an example of
A) disruptive selection.
B) stabilizing selection.
C) directional selection.
D) genetic drift.
E) bottleneck effect.

Question

Quizplus · Accepted Answer

Directional selection occurs when there is a consistent shift in one direction of a trait's distribution, leading to an increase or decrease in the frequency of certain traits. In this case, the average leg size of a reptile getting smaller over generations represents a consistent shift in one direction, which is smaller leg size. Therefore, this is an example of directional selection.

If the Average Leg Size of a Reptile Continually Got