Compared with "cold" fish, "hot" fish, such as bluefin tuna, keep a higher temperature difference between their body and the surrounding water in part because they
A) produce thermogenins.
B) have a countercurrent heat exchange system of veins and arteries.
C) shiver to create more heat.
D) have many brown fat tissues.
E) have a large dorsal aorta that keeps them warm.
Correct Answer:
Verified
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