It is much easier for a small animal to run uphill than for a large animal, because:
It is much easier for a small animal to run uphill than for a large animal, because:
A. smaller animals have a higher metabolic rate
B. small animals have a lower `O_(2)` requirement the efficiency of muscles in large animals is less than in the small animals
C. it is easier to carry a small body weight
D.
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Correct Answer - A
Basal metabolic rate is inversely proportional to body size. So, smaller animals have a higher metabolic rate, thus have quick and more energy required to go up the hills.
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