In some species of insects, males deposit a sperm plug into the female's reproductive tract after copulation to prevent other males from fertilising her. This behaviour could best be described as
A) kin selection.
B) intersexual selection.
C) parental care.
D) mate guarding.
E) polyandry.

Question

Quizplus · Accepted Answer

Mate guarding involves behaviors that ensure a male's paternity by preventing the female from mating with other males. The deposition of a sperm plug is a form of mate guarding, as it physically blocks other males from fertilizing the female.

In Some Species of Insects, Males Deposit a Sperm Plug