A biologist doing a long-term study on a wild spider population observes increased variation in silk thickness. Which of the following processes is the most likely to be affecting the spider population?
A) directional selection
B) stabilizing selection
C) disruptive selection
D) genetic drift

Question

Quizplus · Accepted Answer

Disruptive selection is most likely to be affecting the spider population because it favors individuals at both extremes of a trait, in this case, silk thickness, leading to increased variation within the population.

A Biologist Doing a Long-Term Study on a Wild Spider