How Are Sand Dollars Formed?

Answer

Sand dollars are actually skeletons (also called tests) of a sea creature called a sea urchin. While they are alive, the sand dollars have spines on their tests like other sea urchins. After they die, a combination of decay, erosion, and scavenger fish strips the sand dollar of its flesh and spines, and the currents and tide eventually carry them to the beach, where the sun dries them out and bleaches the color out of them. You can find more information here: http://octopus.gma.org/Tidings/sanddollar.html
Q&A Related to "How Are Sand Dollars Formed"
They reproduce.
http://wiki.answers.com/Q/How_do_sand_dollars_form
1. Clean the sand dollars thoroughly by placing them in a container of fresh water. 2. Change the water often, until the water the sand dollars sit in remains clear. 3. Lay the sand
http://www.ehow.com/how_2096491_whiten-sand-dollar...
Sand Dollars are small disc-shaped marine animals. Females release millions of eggs into the water,
http://www.chacha.com/question/how-does-a-sand-dol...
1 Check the condition of your sand dollars. Living sand dollars and sand dollars that have recently washed ashore and died will still have some soft tissue that has to decay or be
http://www.wikihow.com/Clean-Sand-Dollars
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