Protozoa Members of the kingdom Protista are a highly varied group of organisms, all of which are eukaryotic. In addition, protists are unicellular or, in some cases, colonial. Many species are autotrophs, creating their own food, while others are heterotrophs, feeding on organic matter. Many species are nonmotile, but the majority of protists are able to move by various means. Many protists have contractile vacuoles, which help them to remove excessive amounts of water from their cytoplasm. The kingdom Protista includes the protozoa, the slime molds, and the simple algae. The protozoa are subdivided into four phyla depending on their method of locomotion: Mastigophora, Sarcodina, Ciliophora, and Sporozoa. Mastigophora Members of the phylum Mastigophora move about by using one or more whiplike flagella. The genus Euglena contains flagellated species. Members are freshwater protists with typical eukaryotic
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Mastigophora, highly varied group, phylum Mastigophora, Mastigophora Members