What is a sand dollar?
Sand dollars are in the Echinoid (Echinoderms) class of marine animals. When they are living, they are covered with a suit of moveable spines that encompass the entire shell. Like its close relative the sea urchin, the sand dollar has five sets of pores arranged in a petal pattern. The pores are used to move sea water into its internal water-vascular system, which allows for movement by the creature. http://en.wikipedia.org/wiki/Sand_dollar Grits is a type of maize porridge and a food common in the Southern United States consisting of coarsely ground corn.
