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phylum annelida polychaete worms n.
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Phylum Annelida Polychaete Worms

Phylum Annelida Polychaete Worms

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Phylum Annelida Polychaete Worms

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  1. Phylum AnnelidaPolychaete Worms

  2. Characteristics • Segmented bodies • Each segment has a pair of bristles • Has a circulatory system & gills • Has a trochophore larval stage • More than 10,000 species • Some crawl, some burrow, some build tubes