Multiple Choice
Figure 39.2
The most energetically efficient locomotion per unit mass is likely
A) running by a 50-gram mouse.
B) running by a 40-kg horse.
C) flying by a 4-g hummingbird.
D) swimming by a 10-g stickleback (bony fish) .
E) swimming by a 100-kg shark.
Correct Answer:

Verified
Correct Answer:
Verified
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