According to evolutionary theory, certain animal features developed that allowed for the diversification of the animal phyla. Which phylum or phyla in the list below DO NOT have the features of specific tissues and symmetry?

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    Porifera
    Cnidaria
    Platyhelminthes
    Both A and B are correct.
    A, B, and C are correct.
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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Porifera
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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