Regional heterotherms are animals that are
A) ectotherms in certain parts of their range and endotherms in other parts of their range.
B) endotherms that only practice thermogenesis in certain strata of their habitat.
C) endothermic, but only in specific tissues of their body.
D) two of these.
E) all of these.
Correct Answer:
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Q29: When a bird ruffles its feathers in
Q30: The thermal neutral zone (TNZ) is
A) range
Q31: In birds, the hypothalamus does not
A) stimulate
Q32: The ambient temperature at which metabolism increases
Q33: Fever
A) is a hypothalamic response to pyrogens
Q35: For reasons that are uncertain, hibernating animals
Q36: Minimal metabolic rate is measured
A) at the
Q37: For running mammals
A) the increase in metabolism
Q38: Naked mole rats are unusual mammals that
A)
Q39: According to the second law of thermodynamics,
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