Question

sponges belong to what phyla? a coelenterata b platyhelminthes c porifera d mollusca

Explanation:

Sponges are simple multicellular organisms characterized by their porous bodies. They are classified under the phylum Porifera. Coelenterata includes jelly - fish and corals, Platyhelminthes are flatworms, and Mollusca includes snails, clams etc.

Answer:

C. Porifera