A person who specializes in the study of animals is called a zoologist. Zoologists who study certain kinds of animals have their own names.
Answer:
If <u>bacterial plague</u> (a.k.a. dental plague) accumulates around the teeth over a period of time, periodontal disease may result.
Lessen impacts of flooding by absorbing water and reducing the speed at which flood waters flow. Upstream wetlands can serve to store flood waters temporarily and <span>release them slowly downstream.</span>