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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 >
Most sponges are just like sacs with perforated with pores. The cells in a sponge don't form individual organs. A sponge's structure consists of spicules.he sheets, hemp fiber and sodium sulphate crystals, are then placed in large rotating containers to blend the ingredients. When the mixture is thoroughly mixed in the rotating vats, it is poured into a mold and heated. The heat melts the sodium sulphate crystals, which flow to the bottom, where the liquid is removed.