An adult female rat whose ovaries have been removed will not copulate unless she receives injections of estrogen and progesterone. Similarly, removal of the testes in an adult male rat eventually eliminates copulatory behavior, unless he is given injections of testosterone. This suggests that the effects of these steroid hormones in these situations is

Question

Quizplus · Accepted Answer

The effects of steroid hormones like estrogen, progesterone, and testosterone in restoring copulatory behavior in adult rats after the removal of their ovaries or testes are activational. This means the hormones activate or trigger specific behaviors in the adult animals, rather than organizing or structurally changing the brain during development (organizational effects).

An Adult Female Rat Whose Ovaries Have Been Removed Will