Exam 7: Animal Adaptations to the Environment

Which of the following is an advantage of homeothermy?

Compare and contrast the mechanisms used by animals for the uptake of oxygen from the terrestrial and aquatic environments.

The regulation of body temperature in an animal by the external environment is called

Herbivores with compartmentalized digestive systems that house microbes that facilitate the breakdown of cellulose are known as ________.

Fiddler crabs are still dependent on tidal cycles for circadian rhythms of body colour in a controlled lab setting.

Many insects undergo ________, a stage of arrested development in their lifecycle from which they emerge when conditions improve.

An organism's response to seasonal change in spring and fall is determined by both critical day length and

A living organism must maintain each internal condition (e.g., body temperature)to a fixed set point.

Invagination of structures is characteristic of adaptations to a(n)________ environment.

Homeostasis refers to the maintenance of a fluctuating internal environment, varying in response to changes in the external environment.

Outline the benefits and disadvantages of heavy snow cover. Describe various adaptations animals have made for coping in the Canadian winter.

Compare and contrast the torpor states of a bat, chipmunk, and black bear.

Contrast the advantages of a fur coat on a camel and a squirrel.

Explain the relationship between the surface area and volume of a body as it increases in size. How have some animals adapted to the constraints imposed by cellular respiration and delivery of oxygen?

In what environment would you expect an organism with evaginated organs to live? Why?

Which solute is known to provide protection against freezing damage in some animals?

Most fish control their buoyancy by regulating the amount of gas in their gills.

An omnivore feeds primarily on dead plant or animal matter.

The maintenance of a relatively constant internal environment in a varying external environment is called

In animals, a cycle of physiological activity that occurs within a 24-hour period is called a ________.