Mountain gorilla social groups are usually composed of ______________________.

According to the lecture, which species have been observed engaging in protocultural behavior of washing their potatoes in the sea? 

Light skin pigmentation enables the weak ultraviolet radiation of northern latitudes to penetrate the skin  and stimulate the formation of _________, which is necessary for calcium regulation. 

How do pygmy chimpanzees (bonobos) primarily differ from common chimpanzees? 

The most solitary ape, the only one who does not live in a pair-bonded group or larger multi-male/female group is the 

The ________ is the site of sperm production.

In males, FSH stimulates ________ cells to produce ________.

Male emission is innervated by the ________ nervous system.

Aldosterone is classified as a(n) ________ and binds to ________ receptors.

The ovary ________.