It is much easier for a small animal to run uphill than for a large animal, because
It is easier to carry a small body weight
Smaller animals have a higher metabolic rate
small animals have a lower O2 requirement
The efficiency of muscles in large animals is less than in the small animals
Metabolism -
Sum total of all reaction occurring in organism.
- wherein
Includes anabolism and catabolism.
Metabolism results in release of energy. Hence, smaller animals have more energy due to high metabolic rate.
Option 1)
It is easier to carry a small body weight
This option is incorrect.
Option 2)
Smaller animals have a higher metabolic rate
This option is correct.
Option 3)
small animals have a lower O2 requirement
This option is incorrect.
Option 4)
The efficiency of muscles in large animals is less than in the small animals
This option is incorrect.