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Sand Dollar

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by

Hannah Hawver

on 7 May 2014

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Transcript of Sand Dollar

Sand Dollars dont push their stomach out for feeding like starfish do. Sand Dollars use their tube feet to bring the food to their mouth. It usually takes about 2 days for their food to fully digest. They have teeth like structures in their mouth which is used to grind food
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.
Sand Dollar
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.
Citations-
http://www.montereybayaquarium.org/animal-guide/invertebrates/sand-dollar
http://www.enchantedlearning.com/subjects/invertebrates/echinoderm/Sanddollarprintout.shtml
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