How does a sand dollar work?

Answer 1

A sand dollar is a form of sea urchin, an animal that lives in the ocean. It has a shell and tiny spines that act like feet to more around on. The mouth opening is in the center of the star-shaped grooves on the underside of the animal.

Answer 2

First of all sand dollars typically sleep in a sand bed, how they sleep? Well pretty much just like we humans do! They get so tired, that they just fall asleep. They sit there, and sit there, and sit there! Then they wake up as we do to!

Answer 3

the sand dollars have little legs all around it and there is atlease one video on you tube to prove it they move there legs to move

they have abundant short spines around them to help them crawl in the sand.

Answer 4

They have spines on their body that allow them to move slowly across the ocean floor and dig into the sand if they need to.

Answer 5

Sand dollars do not swim, they crawl along the bottom using spines. They have tube feet, but mostly use these to feed. This is unlike their relative the sea star which uses tube feet.

Answer 6

The sand dollar does not possess a well developed breathing system like lungs. They have pores to exchange gass.

Answer 7

No