Answer:
the balance is everything must have a process of living and dying in an ecosystem. such as, an animal killing another animal for prey to eat it, that is a process. in a water ecosystem, fish lay eggs and come out and usually get eaten by a bigger animal, as they grow up, usually by bigger fish itself such as the Grayling.
Explanation:
1. Nucleus
2.Different
3. Size
4. Adapted
5. Body
6. Job
7. Better
The answers are
B. large grain sizes C. more precipitation D. warmer temperatures