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

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Q.
It is much easier for a small animal to run uphill than for a large animal, because [2016]

1 small animals have a lower $O_{2}$ requirement

2 the efficiency of muscles in large animals is less than in the small animals

3 it is easier to carry a small body weight

4 smaller animals have a higher metabolic rate

Ans.
(4)

The small animals have smaller surface area to body volume ratio. They have higher metabolic rates than larger animals. Therefore, it is much easier for small animals to move uphill than large animals.

Solution

Q.
It is much easier for a small animal to run uphill than for a large animal, because [2016]

1 small animals have a lower $O_{2}$ requirement

2 the efficiency of muscles in large animals is less than in the small animals

3 it is easier to carry a small body weight

4 smaller animals have a higher metabolic rate

Ans.
(4)

The small animals have smaller surface area to body volume ratio. They have higher metabolic rates than larger animals. Therefore, it is much easier for small animals to move uphill than large animals.

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Solution

Q. It is much easier for a small animal to run uphill than for a large animal, because [2016]

1 small animals have a lower O2 requirement

2 the efficiency of muscles in large animals is less than in the small animals

3 it is easier to carry a small body weight

4 smaller animals have a higher metabolic rate

Ans. (4) The small animals have smaller surface area to body volume ratio. They have higher metabolic rates than larger animals. Therefore, it is much easier for small animals to move uphill than large animals.

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Q.
It is much easier for a small animal to run uphill than for a large animal, because [2016]

1 small animals have a lower $O_{2}$ requirement

Ans.
(4)

The small animals have smaller surface area to body volume ratio. They have higher metabolic rates than larger animals. Therefore, it is much easier for small animals to move uphill than large animals.