Sand dollars look like round white coins, which is how they got their name.
Star fishes and sea urchins are similar to sand dollars.
A sand dollars crawls but it is not a reptile. It is a Echoinoderm related to sea urchin and star fish.
Sand dollars have these cilia or hair-like structures underneath them that are used like legs. They are used for locomotion and if they are not moving (especially for a long period of time), they are probably dead by then.
Both the mouth and the anus are on the back side of the sand dollar. The hard outside is called the test. A sand dollar is related to sea urchins and star fish.
Sea shells, sea glass, sand dollars, star fish, beach pebbles, drift wood, sand, crab shells, and shark teeth.
In the sand
You can not cheat to get sand dollars. You have to work for it, or you have to buy it.
Echinoderms, which include star fish, sand dollars, and sea urchins have an oral plate.
Sand dollars.
sand dollars got there name because they are shaped like a coin and they dig themselves into the sand
Sand dollars breathe through a process known as diffusion, using their tube feet.
Phylum Echinodermata