In a certain species of salmon, some adult males are extremely large whereas other adult males are very small, compared to the females. There are no intermediate- sized adult males in the population. This is probably the result of

Question

Quizplus · Accepted Answer

Disruptive selection occurs when extreme values for a trait are favored over intermediate values, leading to two distinct phenotypes, such as the large and small males in this salmon population.

In a Certain Species of Salmon, Some Adult Males Are