It is much easier for a small animal to run uphill than for a large animal because______
A. The efficiency of muscles in large animals is less than in the small animals
B. It is easier to carry a small body weight
C. Smaller animals have a higher metabolic rate
D. Small animals have a lower O2 requirement
Answer:C
It is much easier for a small animal to run uphill than for a large animal because______
A. The efficiency of muscles in large animals is less than in the small animals B. It is easier to carry a small body weight C. Smaller animals have a higher metabolic rate D. Small animals have a lower O2 requirement