Differences in Patterns of Adult Rat Copulatory Behavior Are Due

Multiple Choice

Differences in patterns of adult rat copulatory behavior are due to differences in the brains of males and females, differences that were induced by the irreversible actions of androgens in late fetal and early neonatal life. This suggests that the differences were produced by _____ effects of hormones.

A) activational
B) organizational
C) reciprocal
D) relatively plastic