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What type of symmetry do sponges have? A: Some sponges have radial symmetry, but many species are irregular in shape and have no symmetry at all. Two simpler groups of sponges, known as asconoid an... Full Answer >
A top view shows the movement of cells inside the sponge body. (It appears rapid in these scenes sped up to thousands of times normal speed.) Canals also appear, and these are lined with choanocytes, the cells that create currents in the sponge. Eventually, a new sponge grows, complete with an outflow pore, or osculum.n high wave-shock areas, these sponges are usually only a centimeter or two in thickness. Another good place for biology classes to find living sponges is attached to submerged wood in lakes or streams. Sponges are the simplest living animals, but they are often brightly-colored and spectacular.