A sponge is a primitive Aquatic Animal, a member of the phylum Porifera. These ancient, simple Multicellular Organism forms are sessile, filtering water for sustenance through their porous bodies.
A sponge is a primitive Aquatic Animal, a member of the phylum Porifera. These ancient, simple Multicellular Organism forms are sessile, filtering water for sustenance through their porous bodies.