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Unformatted text preview: them to be sessile and move body parts in all directions like a sea anemone. Examples of this are cnidarians http://en.wikipedia.org/wiki/Cnidaria , echinodermata http://en.wikipedia.org/wiki/Echinodermata Animals that are Asymmetrical have no plane of symmetry. These are things like sponges, or porifera http://en.wikipedia.org/wiki/Porifera . (the most primitive/ancestral animal) Animals with Bilateral symmetry have one plane of symmetry that produces mirror halves. Examples are humans and fish. http://en.wikipedia.org/wiki/Bilateria ***this link talks about the protostomes and dueterostomes as well. *** What kind of symmetry does each of these have? Starfish Sea daisy -Giraffe- Tapir Sponge Worm Jelly fish...
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This note was uploaded on 05/05/2008 for the course BIO 52030 taught by Professor Zhao during the Fall '07 term at University of Texas at Austin.
- Fall '07