Answer: Im sorry i wont give you the full essay because i have one to write myself, but i can give you some ideas. You can use extinction for an example write about animals going extinct, and how it would affect the food chain. For example, if spiders were to die smaller bugs that were eaten by spiders population would start to grow to the point of there being too many. If animals were to die that eat other animals there wouldnt be much to keep the rest of the population in check
Explanation:
A. goes to 3.
B. goes to 1.
C. goes to 2.
You can relate each answer to what the given text is describing. Hope this helps.
