At first it was not known that the sand dollars are living things. People thought (myth) it was like a large coin and that it was the coin/dollar used by the sea mermaids. It was found on beach sands. hence the name sand dollars.
Beach sand, or white sand, has the molecular formula, SiO2 and is used to make glass. It is completely insoluble in water
In the sand
brown and white
You can not cheat to get sand dollars. You have to work for it, or you have to buy it.
I found these sand dollars in that littoral zone.
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.
Sand dollars don't protect themself, they just sit their........ :)-
what is the sand dollars kingdom
If you mix a small amount of brown with yellow and white you could make the color of sand if you are using paint. Sand also comes in many colors as well.