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Unformatted text preview: 20 species-phylogeny of Cnidarians on lecture 13 page 5-specifics of each major group not important (stated in lecture 17:00)-mutual relationship with unicellular photosynthetic organism in tissues, takes advantage, allows higher metabolic rate and produce more tissues-some rely entirely on this mechanism to nourishment-more specifics of the major groups...
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- Fall '08