What are Sand Dollars?
Q: What are Sand Dollars?
A: Sand Dollars are species of flattened and burrowing sea urchins belonging to the order Clypeasteroida.
Q: What is the scientific name of the Common Sand Dollar?
A: The scientific name of the Common Sand Dollar is Echinarachnius parma.
Q: Where can Sand Dollars be found?
A: Sand dollars can be found in temperate and tropical zones, but not in Great Britain.
Q: What is a test in Sand Dollars?
A: A test in Sand Dollars is a rigid skeleton known as a white disk found washed up on beaches.
Q: What is the skin of Sand Dollars?
A: The skin of Sand Dollars is composed of movable spines on the test through which movement is done by their action.
Q: How many paired rows of pores do Sand Dollars have?
A: Sand Dollars have five paired rows of pores arranged in a petal-like pattern.
Q: What is the function of the pores in Sand Dollars?
A: The pores in Sand Dollars are perforations in the endoskeleton through which the tube feet, used in gas exchange, project from the body.