Organism and Protozoan

Organism noun - A living thing that has (or can develop) the ability to act or function independently.

Protozoan and organism are semantically related In some cases you can replace term "Protozoan" with "Organism", this nouns are similar.

Nearby Words: organize, organise, organization, organ, organic

Protozoan noun - Any of diverse minute acellular or unicellular organisms usually nonphotosynthetic.

Organism and protozoan are semantically related in minute organism topic. You can use "Organism" instead a noun "Protozoan".