Show sponges grow fi in brilliant colors on bed of ocean the sponge to in your bathroom is very little like the sponge growing on the ocean bed for it has to be processed and dried before it chr can be used on the ocean bed sponges grow in brilliant colors yellow green orange purple and even black each species has its own shape ahapa sizes vary from that of a pea to monsters more than ten feet across it is by no means an inanimate growth for every sponge is covered by living substances which draw nutriment by suction fro from in the W water ater and the deeper they lie ile beneath the surface the better and stronger they grow growth is slow however and the average complete sponge you use to wash your face takes about four years to reach maturity |