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Which phyla lack organs? What type of symmetry do they have?
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- gardengallivantLv 71 decade agoFavorite Answer
Phylum Porifera, the sponges, lack organs and have no symmetry on any axis.
http://animaldiversity.ummz.umich.edu/site/account...
Cnidaria lack organs but have tissue layers and are radially symmetric.
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