Multiple Choice
A "hot" fish differs from a "cold" fish in having
A) the ability to produce significant amounts of metabolic heat.
B) a countercurrent heat exchanger in the gills.
C) the ability to retain heat generated in swimming muscles.
D) the ability to lose less heat at the dorsal aorta.
E) its blood oxygenated in the muscles rather than in the gills.
Correct Answer:

Verified
Correct Answer:
Verified
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