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 ?
phylum of the kingdom protista consisting of those organisms commonly called brown algae.
Por ello, optamos provisionalmente por considerar el protista hallado en abejas de Dufaur como Nephridiophaga sp.
En las antipodas del sistema de Drozdov se halla su colega Alexey Shipunov, quien apenas en 2009 lanzo su clasificacion minimalista--aunque ni tanto, ya que esta llena de dominios, infrarreinos, superfilos y subfilos--de cuatro reinos: Monera --con los subreinos o dominios Bacteria y Archaea--, Protista, Vegetabilia y Animalia.
Protista, Rotifera and Crustacea, on the other hand, were analyzed both for fauna density and richness.
In 1866 Ernst Haeckel advanced the classification game by grouping microorganisms into their own kingdom, Protista.
Table 3-1 The Five Kingdom System Kingdom Cellular Nutrition Type Examples Organization Monera * Prokaryotic * Varies Bacteria * Unicellular Fungi * Eukaryotic * Heterotroph Molds, yeasts, * Unicellular or (cannot make mushrooms, multicellular its own food) smuts, rusts * Absorptive Protista * Eukaryotic * Heterotroph Protozoa * Unicellular (a few autotrophic species exist) Animalia * Eukaryotic * Heterotroph Invertebrates, * Multicellular * Ingestive vertebrates Plantae * Eukaryotic * Autotroph Plants, mosses, * Multicellular (can make its ferns own food) Table 3-2 Classification of the House Cat, Human, and E.
Parasite Locality Prevalence (1) Reference Protista Cytamoeba bactifera Arkansas 3/37 (8%) McAllister et al.
that these [drives], in which the chemical affinity of inanimate matter persisted, gradually succeeded, as they developed through the kingdom of the protista, in overcoming the difficulties put in the way of that endeavour by an environment charged with dangerous stimuli--stimuli which compelled them to form a protective cortical layer?
The two-kingdom system classes all plants as Plantae, but a new fivekingdom system classes some plants as Protista, Monera, and Fungi.
Se registraron otros taxa con importancia variable: Insecta (Chironomidae), Nelnatoda, Oligochaeta y Protista.
Myxomyetes, or slime molds, are small, eukaryotic organisms that are now classified in the Kingdom Protista.