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tube sponge,
Image Description
A tube sponge is a type of sponge found in the sea. Tube sponges have hollow tubes and come in a wide variety of colours. They are living creatures, although people often mistake it for a plant. A tube sponge is made up off millions of tiny cells that are formed into a tube or bowl. The cells help pump water through the tubes which then captures microscopic plankton for food. Tube sponges can live up to 200 years old. Canon10dIkehousing 1-ds125strobe 1/2power Canon17-40@23 1/160 f8 iso100