Protist vs. Protoctist

Protistnoun

(microbiology) Any of the eukaryotic unicellular organisms including protozoans, slime molds and some algae; historically grouped into the kingdom Protoctista.

Protistnoun

single-celled eukaryotes, prokaryotes and sponges

Protistnoun

single-celled eukaryotes and prokaryotes

Protistnoun

single-celled eukaryotes

Protistnoun

One of the Protista.

Protistnoun

free-living or colonial organisms with diverse nutritional and reproductive modes

Protist

A protist () is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor), the exclusion of other eukaryotes means that protists do not form a natural group, or clade.

Protoctistnoun

Any of several unicellular protists of the kingdom Protista (formerly Protoctista).

Protoctistadjective

Of or pertaining to these organisms.

Protoctistnoun

any of the unicellular protists