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  2. Protist - Wikipedia

    en.wikipedia.org/wiki/Protist

    A protist (/ ˈ p r oʊ t ɪ s t / PROH-tist) or protoctist is any eukaryotic organism that is not an animal, land plant, or fungus.Protists do not form a natural group, or clade, but are a polyphyletic grouping of several independent clades that evolved from the last eukaryotic common ancestor.

  3. Marine protists - Wikipedia

    en.wikipedia.org/wiki/Marine_protists

    Most protists are too small to be seen with the naked eye. They are highly diverse organisms currently organised into 18 phyla, but not easy to classify. [1] [2] Studies have shown high protist diversity exists in oceans, deep sea-vents and river sediments, suggesting large numbers of eukaryotic microbial communities have yet to be discovered.

  4. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    Of eukaryotic groups, the protists are most commonly unicellular and microscopic. This is a highly diverse group of organisms that are not easy to classify. [62] [63] Several algae species are multicellular protists, and slime molds have unique life cycles that involve switching between unicellular, colonial, and multicellular forms. [64]

  5. Protistology - Wikipedia

    en.wikipedia.org/wiki/Protistology

    Protistology is a scientific discipline devoted to the study of protists, a highly diverse group of eukaryotic organisms. All eukaryotes apart from animals, plants and fungi are considered protists. [1]

  6. Nutrition - Wikipedia

    en.wikipedia.org/wiki/Nutrition

    Protozoa are heterotrophic protists, and different protozoa seek nutrients in different ways. Flagellate protozoa use a flagellum to assist in hunting for food, and some protozoa travel via infectious spores to act as parasites. [54] Many protists are mixotrophic, having both phototrophic and heterotrophic characteristics.

  7. Marine microorganisms - Wikipedia

    en.wikipedia.org/wiki/Marine_microorganisms

    Protists are highly diverse organisms currently organised into 18 phyla, but are not easy to classify. [ 89 ] [ 90 ] Studies have shown high protist diversity exists in oceans, deep sea-vents and river sediments, suggesting a large number of eukaryotic microbial communities have yet to be discovered.

  8. Taxonomy of Protista - Wikipedia

    en.wikipedia.org/wiki/Taxonomy_of_Protista

    A protist (/ ˈ p r oʊ t ɪ s t /) is any eukaryotic organism (one with cells containing a nucleus) that is not an animal, plant, or fungus.The protists do not form a natural group, or clade, since they exclude certain eukaryotes with whom they share a common ancestor; [a] but, like algae or invertebrates, the grouping is used for convenience.

  9. Protist locomotion - Wikipedia

    en.wikipedia.org/wiki/Protist_locomotion

    Although protist flagella have a diversity of forms and functions, [11] two large families, flagellates and ciliates, can be distinguished by the shape and beating pattern of their flagella. [ 2 ] In the phylogenetic tree on the right, aquatic organisms (living in marine, brackish, or freshwater environments) have their branches drawn in blue ...