Sand Dollar Life Cycle at Life

Sand Dollar Life Cycle. Is a sand dollar a vertebrate? Sand dollars tend to live just beneath or on top of sandy or muddy areas, into which they burrow.

During their average lifespan of about 10 years, a sand dollar is actually a living organism, and is a cousin of sorts to other echinoderms like sea cucumbers, sea stars (also known as starfish) and sea urchins. The fertilized eggs float out to sea, develop into larvae and eventually settle at the bottom of the sea where they continue their life cycle. Body flattened and somewhat round but without any central disc or.

Sand Dollars by the 1000's Central Coast Business

As the name implies, they have tiny spines all over their bodies that resemble hair. So next time you find one, remember to count its rings! Most of us think of sand dollars as round, flat seashells, but that's completely inaccurate. Is a sand dollar a vertebrate?