Multiple Choice
In a cold environment,many species of birds and mammals maintain homeothermy by decreasing conductance and
A) increasing heat production.
B) allowing the extremities to operate at low temperatures.
C) augmented muscle activity (e.g., muscular thermogenesis) .
D) All of the choices are correct
E) None of the choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
Q1: In the evolution of bony fish,<br>A) modern
Q4: The ancestral kidney of vertebrates is the
Q8: An animal having a body temperature that
Q16: In Amoeba and Paramecium,water balance is achieved
Q17: A large mammal,such as an eland,can cool
Q25: Briefly describe how marine invertebrates meet and
Q31: Hummingbirds are able to reduce energy expenditure
Q34: The amount of water retained and the
Q51: In the metanephridium,the tubule is open at
Q67: Ciliated flame cells propel fluids through the