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 O2 requirement
(c) the efficiency of muscles in large animals is less than in the small animals
(d) it is easier to carry a small body weight
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Correct option (a) smaller animals have a higher metabolic rate
Explanation:
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 hilIs.
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