Protista


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Related to Protista: Protozoa, Protista kingdom

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.
References in periodicals archive ?
Specifically, because the computer's limited programming will prevent us from bringing events localized with respect to it under increasingly complex contextual control, the computer makes for a poor psychology subject, as do plants, fungi, monera, and protista.
The number of species in the kingdoms Bacteria, Fungi, Protista, and Archaea are predicted to be several million (Tiedje, 1994).
Although the mechanism had not been recognized before, the scientists were intrigued to find evidence of a similar mechanism in all five kingdoms of life - animals, plants, fungi, protista, and monera.
This study showed that eukaryotic micro- and macro-organisms make up a large component of the community of ESD lesions and are represented across broad taxa of Metazoa, Fungi, and Protista.
Host/Parasite Location in host Prevalence (a) Intensity (b) Scaphiopus hurterii Protista Protoopalina rectum 3/14 (21%) (b) mitotica Nyctotherus rectum 3/14 (21%) (b) cordiformis Cestoidea Mesocestoides liver, coelom, 3/14 (21%) (b) lineatus mesenteries Nematoda Cosmocercoides rectum 1/14 (7%) 8 [+ or -] - variabilis Oswaldocruzia small intestine 4/14 (29%) 3.
The Protista schema is certainly not yet unanimous.
Team Taxonomic Group Examples of Organisms 1 Plants Multicellular Algae, Liverworts, Mosses, Club Mosses, Horsetails, Ferns, Gymnosperms, Angiosperms 2 Fungi Protist-like Fungi, Common Molds, Sac Fungi, Club Fungi, Imperfect Fungi, Lichens 3 Protista Protozoa, Unicellular Algae, Slime Molds 4 Animals: Invertebrates Sponges, Cnidarians, Flatworms, Roundworms, Segmented Worms, Mollusks, Echinoderms, Arthropods 5 Animals: Vertebrates Fishes, Amphibians, Reptiles, Birds, Mammals Figure 2.