Multiple Choice
Among these choices, the most energetically efficient locomotion per unit mass is likely ________.
A) running by a 50-gram rodent
B) running by a 40-kilogram ungulate
C) flying by a 100-gram bird
D) swimming by a 10-gram minnow (bony fish)
E) swimming by a 100-kilogram tuna (bony fish)
Correct Answer:

Verified
Correct Answer:
Verified
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