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

  1. A
    Smaller animals have a higher metabolic rate
  2. B
    Small animals have a lower requirement
  3. C
    The efficiency of muscles in large animals is less than in the small animals
  4. D
    It is easier to carry a small body weight

Solution & Step-by-step Explanation

Small animals have a high surface area to volume ratio, leading to faster heat loss and thus a higher basal metabolic rate (BMR). This allows for rapid energy production, making intense activities like running uphill easier relative to their body size.

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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 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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