Multiple Choice
All animals, whether large or small, have
A) an external body surface that is dry.
B) a basic body plan that resembles a two-layered sac.
C) a body surface covered with hair to keep them warm.
D) the ability to enter dormancy when resources become scarce.
E) all of their living cells surrounded by an aqueous medium.
Correct Answer:

Verified
Correct Answer:
Verified
Q11: Evolutionary adaptations that help diverse animals exchange
Q12: Metabolism of specialized brown fat depots in
Q13: An ectothermic organism that has few or
Q14: Cardiac muscle is both<br>A)striated and branched.<br>B)striated and
Q15: The following questions refer to Figure 40.1.<br>
Q17: Endothermy<br>A)is a characteristic of most animals.<br>B)involves production
Q18: An exchange surface is in direct contact
Q19: As body size increases among birds,<br>A)the body's
Q20: The body's automatic tendency to maintain a
Q21: To increase the effectiveness of exchange surfaces