Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav Stock Vector Image & Art - Alamy
Historical illustration, Hexactinellid Sponge, Glass Sponge, Farrea, Polyopogon amadu, Stock Photo, Picture And Rights Managed Image. Pic. IBR-1071115 | agefotostock
Sponge cross section, 200x | A cross section through Scypha … | Flickr
Zoology Sponge Cross Section Diagram | Quizlet
Overview of Sponges
125 Osculum Photos and Premium High Res Pictures - Getty Images