Question

Difference between bacteria virus and protozoa

Answer 1

* bacteria constitute a large domain of prokaryotic microorganisms.
* virus is a small replicating agent that replicates only inside living cell and can infect all kinds of lifeforms.
* protozoa are defined  as single celled organisms with animal like behaviors   

Answer 2

Answer:

Protozoa (pro-toe-ZO-uh) are one-celled organisms, like bacteria. But they are bigger than bacteria and contain a nucleus and other cell structures, making them more like plant and animal cells.