Sponge Small 240×320 Medium 480×640 Large 768×1024 Download Tiff Original 1800×2400 | (729.0 KB) Description The young sponge, a many celled animal, that begins its life as a single-cell, the egg. Keywords sponge Galleries Sponges Source: Winchell, Alexander Sketches of Creation (New York, NY: Harper & Brothers, 1870)
