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PHYLUM NEMATODA (CHARACTERISTICS (:bug: Many protostome posses a cuticle…
PHYLUM NEMATODA
CHARACTERISTICS
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:bug: Edysozoans do not share same body plan; Members of Nematoda, Nematomorpha & Kinoryhncha have pseudocoelomate
:bug: Members of Priapulida - presumed to be pseudocoelomate, but have not been carefully studied yet
:bug:Pseudocoelom used as hydrostatic skeleton in nematodes, kinorhynchs & priapulids
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DIVERSITY
:earth_americas: About 25,000 species are described - as many as half a million may exist
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:earth_americas: Found in virtually all habitats in all biomes; Topsoil may contain billions per acre
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:fork_and_knife: Free living nematode feed on bacteria, yeasts, fungal hyphae & algae
:fork_and_knife: Predatory nematodes feed on : rotifers, tardigrades, smmall annelids & other nematodes
:fork_and_knife:Important as food for mites, insects, larvae & fungi
:fork_and_knife:Caenorhabditis elegans is an important model for studies of genomics & cell development & differentiation
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