Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
<span>It is called a substrate. </span>
This could help the elephant population rebuild by taking away some of its (predators). Elephants are a keystone species because they dig watering holes, which all animals need. You increase the number of elephants, you increase water availability.
Answer: Mutation
Explanation:
Got it right on Edge 2020
The human foot has two arches, but the chimpanzee foot has only one.
