Correct Answer:
Option C - Porifera means 'hole bearer' or sponge. Animals that fall into this association are commonly called sponges. They are multicellular organisms/ aquatic animals which usually live on rock or any solid material. Animals falling in this category are - Sycon, Spongilla, Hylonema, Cliona etc., while in protozoa - Amoeba, Paramecium, Euglena and in Annelida- Earthworm, Leeches, Polychaete etc. Phylum Cnidaria-Sea anemones and Corals.
C. Porifera means 'hole bearer' or sponge. Animals that fall into this association are commonly called sponges. They are multicellular organisms/ aquatic animals which usually live on rock or any solid material. Animals falling in this category are - Sycon, Spongilla, Hylonema, Cliona etc., while in protozoa - Amoeba, Paramecium, Euglena and in Annelida- Earthworm, Leeches, Polychaete etc. Phylum Cnidaria-Sea anemones and Corals.