Question

what is used protozoa?

Answer 1

Historically, protozoa were defined as single-celled animals or organisms with animal-like behaviors, such as motility and predation. ... The terms protozoa and protozoans are now mostly used informally to designate single-celled, non-photosynthetic protists, such as the ciliates, amoebae and flagellates.

Hope it will be helpful for you