Phylum Cnidaria cont

Phylum Cnidaria cont - 20 species-phylogeny of Cnidarians...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Phylum Cnidaria cont. -radial symmetry -dimorphic/polymorphic lifestyle -polyp form reproduces asexually, medusa form reproduces sexually -hydra: budding asexual -coral: colony of polyps, splitting of polyps asexual -4 major groups -Anthozoans: anemones and coral – 6000 species -Hydrozoans: both forms, colonial, stinging polyps (Portuguese man-o-war) – 3000 species -Scyphozoans – jellyfish, mudusae form mainly – 200 species -cubozoan – box jelly, tiny polyp stage in rivers, mudusae in near shore ocean waters –
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

This note was uploaded on 11/11/2009 for the course BIS 1b taught by Professor Kimsey during the Fall '08 term at UC Davis.

Ask a homework question - tutors are online