What Do Sand Dollars Eat?


Sand dollars eat plankton and other organic matter that falls to the bottom of the ocean, where they live. Though the sand dollar may resemble a coin, it has many moving parts, including pincers and cilia which capture food and move it over to the mouth, which is located at the underside and tube feet.
1 Additional Answer
Sand dollars live on the ocean floor buried in the sand. They eat tiny particles of food and organisms that float in the water. These are spiny, hard skinned animals. The empty shell you see washed up on the beach that contains tiny white loose particles are actually the teeth of the sand dollar.
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