If the average tail 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

This is an example of directional selection because it describes a situation where the population's trait distribution shifts toward one extreme, in this case, smaller tail sizes. Directional selection favors one extreme phenotype over the other, leading to a change in the population's genetic variance over time.

If the Average Tail Size of a Reptile Continually Got