It is much easier for a small animal to ...

It is much easier for a small animal to run uphill than for a large animal, because:

A

It is easier to carry a small body weight

B

Smaller animals have a higher metabolic rate

C

Small animals have a lower `O_(2)` requirement

D

The efficiency of muscles in large animals in less than in the small animals

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The correct Answer is:

B

Smaller animals have higher BMR related to sustained energy production and delayed muscle fatigue.

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