usually 3-6 inches long
Sand dollars are 5 to 10 centimeters in diameter.
A sand dollar was called a geopolitical dollar
"Is a Sand Dollar a vertebrate?" No. A sand dollar is not a vertebrate because it does not have a backbone.
no. a sand dollar is flat.
Yes sand dollar is an echinoderm.
1,ooo years
Class Holothuroidea (sea cucumbers)
Click on the link for a picture on a different website.
Horizontial or vertical, depending on where you cut it.
Sand dollar is not a flower. Sand dollar is a flat living marine creature. They are closely related to star fishes.
Laganum ocalanum is the smallest sand dollar at a minimum adult size of 1/8 of an inch. This species of sand dollar originated in the late Eocene epoch not long before 33.6 mya, which means this species survived the Eocene-Oligocene extinction.
No. A sand dollar is another living thing that is not plankton.