Question

What are harmful and useful aspects of protozoa?

Answer 1

✔Unlike bacteria, protozoa can alter proteins. ✔They're easy to study because they belong to the same classification / group. ✔They're easy to work with in a lab. They can be readily compared and contrasted with other species.

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Answer 2

Answer:

They live in water or at least where it is damp. Some protozoans are harmfulto man because they can cause serious diseases. Others are helpfulbecause they eat harmful bacteria and are food for fish and other animals. There are three different types ofprotozoa: Ameba, Paramecium, Euglena