Compared to prosimians, anthropoids generally  ___________________.

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. 

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

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

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

The ________ is the site of sperm production.

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

Male emission is innervated by the ________ nervous system.

In males, FSH stimulates ________ cells to produce ________.

Which of the following is an immunosuppressive hormone that is secreted in response to stress?