Phylum: Porifera (sponge), its classification and characteristics

 Multicellular, eukaryotic with cellular grade of body organization. Aquatic, mostly marine few found in fresh water. Solitary or colonial, free living. Sedentary and sessile. May be asymmetrical (Spongilla) or radially symmetrical (Leucosolenia). Body greatly varies in shape. They may be vase-like, cylindrical, tubular or cushion like. Body is provided with large number of small inhalant … Read more