Protista

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Protista

 [pro-tis´tah]
in the classification of living organisms, a kingdom comprising unicellular organisms with distinct nuclei (the eukaryotes), including protozoa, algae (except blue-green “algae,” which are now classified as bacteria), and certain intermediate forms.

Pro·tis·ta

(prō-tis'tă),
A kingdom of both plantlike and animallike eucaryotic unicellular organisms, either in the form of solitary organisms, for example, protozoa, or colonies of cells lacking true tissues.
[G. ntr. pl. of prōtistos, the first of all]

Protista

/Pro·tis·ta/ (pro-tis´tah)
1. a kingdom comprising the unicellular bacteria, algae, slime molds, fungi, and protozoa; it includes all single-celled organisms.
2. a kingdom comprising unicellular organisms with distinct nuclei (the eukaryotes), including protozoa, algae, and certain intermediate forms.

Pro·tis·ta

(prō-tis'tă)
A kingdom of both plantlike and animallike eukaryotic unicellular organisms, either in the form of solitary organisms, e.g., protozoa, or colonies of cells lacking true tissues.
[G. ntr. pl. of prōtistos, the first of all]

Protista

or

Protoctista

the kingdom, in older CLASSIFICATIONS, which contains eukaryotic, mostly unicellular, organisms, including ALGAE, diatoms (BACILLARIOPHYCEAE), PROTOZOANS and slime moulds.

Protista

a kingdom comprising bacteria, algae, slime molds, fungi and protozoa; it includes all single-celled prokaryotic organisms.