Multiple Choice
During the day, hummingbirds maintain a high, constant body temperature, but at night they can lower their metabolism to save energy and allow their body temperatures to fall by as much as 20°C.Hummingbirds are therefore
A) endotherms.
B) ectotherms.
C) heterotherms.
D) pyrotherms.
E) varitherms.
Correct Answer:
Verified
Correct Answer:
Verified
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