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Unformatted text preview: -Hydrostatic skeleton, with longitudinal muscles, circular muscles for movement. Marine annelids have parapodia on each segment for swimming. -Clitellum: band of thickened, specialized segments which secrete a mucous ring into which sperm and eggs are released-Oglichaetes: earthworms (terrestrial), tubifex (aquatic), produce castings of undigestible food.-Leeches: external parasites, suck blood, used for medicine, Probocis: muscular extension into tissue.-Polychaetes: aquatic only, have paddlelike appendages, more setae than oglichaetes....
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This note was uploaded on 01/02/2012 for the course BIO 101 taught by Professor Dr.chan during the Fall '11 term at Marine Biological Laboratory.
- Fall '11