In most animals, sexual behavior is biologically determined and triggered by hormonal changes in the female. During the cyclical period known as _____, a female animal is fertile and receptive to male sexual advances.
A) the resolution phase
B) estrus
C) the refractory period
D) the plateau period

Question

Quizplus · Accepted Answer

Estrus is the cyclical period in female animals during which they are fertile and receptive to male sexual advances. The other answer choices are not related to this reproductive process.

In Most Animals, Sexual Behavior Is Biologically Determined and Triggered