Which phyla lack organs? What type of symmetry do they have?

gardengallivant2009-02-02T15:42:11Z

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Phylum Porifera, the sponges, lack organs and have no symmetry on any axis.
http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html

Cnidaria lack organs but have tissue layers and are radially symmetric.