| http://www.w3.org/ns/prov#value | - ? ??? pinococytes layer of cells functioning as outer covering of sponge ??? ??? ??? archaeocytes cells resembling amoebas, that move through body of the sponge; responsible for repair and regeneration; transport food and other materials ??? ??? ??? spicules skeletal elements that give support to the sponge's body; composed of calcium carbonate, silica, or protein called spongin ??? ??? ??? spongi
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