When male moose engage in their annual battles, butting heads with their oversized antlers, they are exhibiting ____ selection.
A) stabilizing
B) disruptive
C) directional
D) intrasexual
E) intersexual

Question

Quizplus · Accepted Answer

Intrasexual selection refers to competition among members of the same sex (in this case, males) for mating opportunities. The battles between male moose are a form of this competition, where physical contests determine access to females.

When Male Moose Engage in Their Annual Battles, Butting Heads