Question

Q.144it is much easier for a small animal to run uphill than for a large animal, because

Answer 1

smaller animals have a higher metabolic rate

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 hills.

Answer 2

Please mark the answer as the brainliest answer

Answer: Because efficiency of usage of muscles is much higher in case of smaller animals

Hope this helps . And please don't forget to mark the answer as the brainliest answer