Porifera , Cnidaria and Ctenophora Specimen Lab. 1. What phylum is this organism in?. 2. What class is the sponge classified in?. 3. Why?. 4. What type of symmetry does this organism exhibit?.
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5. The hard spike-y structures are spicules. What two materials can spicules be made of? Circle the material you think this sponge’s spicules are made of.
16. Jellyfish have two body plans. The ephyra is the transitional body form produced by a ____asexually. The ephrya grows to become an organism with the _______ form.