Aggressive behavior is typical of most primates. Gorillas, humans and chimpanzees kill members of their own species. The need for social and physical contact is also characteristic of most primates. Species that live in groups need to reconcile aggression. Social groups require some form of conflict resolution. Sexual behavior is one such mechanism to overwhelm aggression.
Bonobo sex life is divorced from reproduction and also serves the functions of pleasure and conflict resolution. Females are in a sexually attractively state most of the time, and almost continuously sexually active. Se…
