polychaete

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Any of about 5,400 species of marine worms of the annelid class Polychaeta, having a segmented body with many setae (bristles) on each segment. Species, often brightly coloured, range from less than 1 in. (2.5 cm) to about 10 ft (3 m) long. Most body segments bear two bristly parapodia (lobelike outgrowths). The head has short sensory projections and tentacles. Adults may be free-swimming or sedentary; larvae are free-swimming. Found worldwide, polychaetes are important for turning over sediment on the ocean bottom. One species, the bloodworm, is a popular saltwater fish bait. See also tube worm
chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
alternative spelling of polychete

İlgili Terimler

polychaetes
plural of polychaete
polychaete

    Heceleme

    po·ly·chaete

    Telaffuz

    Etimoloji

    [ 'pä-lE-"kEt ] (noun.) 1896. ultimately from Greek polychaitEs having much hair, from poly- + chaitE long hair.