Homosexual behavior has been observed ________.
A) only in humans and other primates
B) only in humans
C) in humans, primates, mammals, and even in birds
D) only in humans and other mammals

Question

Quizplus · Accepted Answer

Homosexual behavior has been observed in many species of animals including mammals, birds, and even insects. However, it is more common and studied in primates and mammals.

Homosexual Behavior Has Been Observed ________