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Transcript of Sand Dollar
A live sand dollar looks very different from a white sand dollar washed up on the beach.Live Sand Dollars are usually a dark color. Sand Dollars live 30-40 feet deep in the ocean. They use their spine along with the cilia to transport food particles to their mouth on their bottom side. Sand Dollars eat mainly plankton, algae and small worms
A sand dollar that you would find on a beach is the skeleton that is usually bleached white by the sunlight
Sand Dollars are a spiny, hard skinned animal that live on the sea floor. Sand Dollars are Echinoderms. Echinoderm means spiny skin. They are related to sea urchins and sea stars.
By: Hannah Hawver
Scientists can see the age of the Sand Dollar by counting the rings on the exoskeleton. Sand Dollars usually live around 6-10 years.