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Some ciliates are mouthless and feed by absorption , while others are predatory and feed on other protozoa and in particular on other ciliates. Some ciliates parasitize animals , although only one species, Balantidium coli , is known to cause disease in humans.
The unattached stage, called a telotroch, is mouthless. These are common in both freshwater and marine environments, and many live attached to aquatic plants and animals. They are either solitary or produce branched colonies. A few secrete a lorica. Vorticella is one of the best-known genera. Stalks may be as long as 2 mm, and in some cases ...
Ciliates are eukaryotic microorganisms that possess motile cilia exclusively and use them for either locomotion or to simply move liquid over their surface. A Paramecium for example is covered in thousands of cilia that enable its swimming.
The ciliate Spirostomum ambiguum can attain 3 mm in ... The ciliate subclass Astomatia is composed entirely of mouthless symbionts adapted for life in the guts of ...
The oligotrichs are a group of ciliates, included among the spirotrichs. They have prominent oral cilia, which are arranged as a collar and lapel, in contrast to the choreotrichs where they form a complete circle. The body cilia are reduced to a girdle and ventral cilia.
Mature suctorians lack cilia altogether, and initially were not classified as ciliates. The mouths of Phyllopharyngea are characteristically surrounded by microtubular ribbons, called phyllae. Nematodesmata, rods found in several other classes of ciliates, occur among the subclass Phyllopharyngia, most of which are free-living.
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Ciliates are eukaryotic organisms in the phylum Ciliophora. There are two main subphyla: Intramacronucleata and Postciliodesmatophora. There are two main subphyla: Intramacronucleata and Postciliodesmatophora.