Animal adaptations
1) Animals that rely on plant tissue as food are called ________.

2) Animals that feed on animal tissues are called ________.

3) Animals that feed on both plant and animal tissues are called ________.

4) Animals require oxygen for the process of ________, which releases energy through the breakdown of organic compounds.

5) The maintenance of a relatively constant internal environment by an animal is called ________.

6) The thin layer of air that lies at the surface of an animal or plant is called the ________.

7) Animals that maintain a fairly constant internal temperature, regardless of external temperatures, are called ________.

8) Animals whose body temperature varies with the environment are called ________.

9) A process of temporarily dropping body temperature to the temperature of the environment for part of the day is called ________.

10) A prolonged, seasonal reduction in body temperature to the environmental temperature is called ________.

11) The internal timekeeper of physical and physiological activity in organisms is called the ________.

12) A stage of arrested growth over winter in insects of temperate regions is called ________.

13) Herbivores that are specially adapted to the digestion of cellulose are called ________.
A) ruminants B) celluvores C) phytovores D) heterotrophs

14) The maintenance of a constant internal environment by animals is called ________.
A) osmosis B) heterothermy C) homeostasis D) poikilothermy

15) Gaining heat from the environment is called ________.
A) endothermy B) poikilothermy C) osmosis D) ectothermy

16) When two strategies provide different advantages in two different environments, those strategies are exhibiting ________.
A) evolutionary diversification B) heterotrophy
C) tradeoffs D) conflicts

17) Which of the following is NOT an adaptation for the regulation of body temperature?
A) panting B) kidneys
C) fur D) countercurrent circulation

18) Which of the following is a major problem for animals living in salty environments?
A) access to mineral nutrients B) preventing heat loss
C) obtaining enough oxygen D) preventing water loss


ANSWERS:
1) herbivores

2) carnivores

3) omnivores

4) respiration

5) homeostasis

6) boundary layer

7) homeotherms

8) poikilotherms

9) torpor

10) hibernation

11) biological clock or circadian rhythm

12) diapause

13) A

14) C

15) D

16) C

17) B

18) D