Primates, like other mammals, have special glands in their skin that allow them to excrete fluid. the fluid evaporates from the skin, absorbing heat as it turns into a gas.

this process, known as sweating, is used by animals such as primates for
a.
adding water to the body's interior.
b.
hiding the animal from predators.
c.
insulating the animal's body to stay warm.
d.
getting rid of excess body heat.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Which of the following explains why a tree is often used as a model to represent the principle of common descent