The scientist who proposed the mechanism of natural selection to explain the process of evolution was ______

Barney loves sex, but the only way he can achieve sexual arousal is to fantasize about having sex with the little children in his neighborhood. His disorder is ______

a. infantile regression c. pedophilia b. sadomasochism d. transvestism

You're visiting the neuroscience lab of Dr. Wu, and he asks you to look at his plastic model of the brain, particularly the rostral area. Where should you look on his model?

a) the front b) the back c) the top d) the bottom