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zooid
▪ I. zooid, n. Biol. (ˈzəʊɔɪd) [f. Gr. ζῷον animal + -oid: cf. late Gr. ζῳοειδής adj. resembling an animal.] Something that resembles an animal (but is not one in the strict or full sense): in early use applied somewhat widely, including, e.g., a free-moving animal or vegetable cell, as a spermatozo...
Oxford English Dictionary
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Zooid
A zooid or zoöid is a single animal that is part of a colonial animal. This lifestyle has been adopted by animals from separate unrelated taxa. Variations in zooid size within colonies of fossils can be used as an indicator of the temperature and the seasonality of seas in the geological past.
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Zooid BBS
ZOOiD BBS ("the zoo of ids," or alternatively referencing zooid) was a Toronto area Bulletin board system in 1986 - 1993 that served a creative community In 1993, ZOOiD 'merged' with R-Node to become Internex Online, the first consumer Internet Service Provider in Canada.
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Ascus (bryozoa)
It is a water-filled sac of frontal membrane opening (ascopore) at or near the zooid orifice. by allowing water into the space below the inflexible, calcified frontal wall (covering their whole frontal surface apart from the orifice) when the zooid
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Avicularium
The avicularium (pl. avicularia) in cheilostome bryozoans is a modified, non-feeding zooid. A zooid where the operculum is modified into a very long, hair-like structure is called a vibraculum.
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Atriolum robustum
The tunic (body wall) is firm to the touch and is perforated by a number of pore-like buccal siphons, each raised on a slight elevation, giving the zooid Water gets drawn into the zooid through the buccal openings, the edible particles are then filtered out and the water current leaves the zooid through
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Botrylloides leachii
Groups of zooids tend to form pairs of parallel chains; each zooid has its own inhalant siphon but the groups share an exhalant siphon. A founding zooid begins to form buds which grow into new zooids, which in turn bud again, and the colony expands.
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Bugulina flabellata
Each zooid bears two or three short spines. Colonies are dark buff when living and greyish when dried up. Ecology
Colonies of bryozoans grow by budding from a single zooid known as an ancestrula.
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Cryptosula pallasiana
Each zooid lies in a rigid rectangular box called a zooecium up to long and wide. zooid's head being further away from the centre of the colony than its foot.
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Polykrikos
nuclei division leading to 8-zooid-4-nuclei stage with further transverse binary division into two 4-zooid-2-nuclei Polykrikos. Its morphology clearly went from a 1-zooid-1-nucleus, over a 2-zooid-1-nucleus, and a 4-zooid-1-nucleus into the 4-zooid-2-nucleus stage.
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Vorticella convallaria
The primary type is the sessile trophont stalked zooid. When the telotroch finds suitable environs it reattaches to the substrate and transforms back into a stalked zooid.
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Morchellium argus
Each zooid has a buccal siphon with eight flaps and a tongue-like process underneath. When this sperm is drawn into another individual zooid, internal fertilisation can occur.
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Pyrosome
Each zooid is a few millimetres in size, but is embedded in a common gelatinous tunic that joins all of the individuals. The colony is bumpy on the outside, each bump representing a single zooid, but nearly smooth, although perforated with holes for each zooid, on the inside
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Cothurnia
The cilia of the organism are located on the peristomal disc of the zooid. A typical species of Cothurnia forms a cylindrical lorica to protect the trumpet-shaped zooid.
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Polyclinum planum
Each bud subsequently develops into a fully functional zooid by regeneration. Rows of small cilia-lined openings called stigmata are found in the wall of this each zooid's large pharynx.
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