IN THE SUNLIGHT ZONE IN THE ATLANTIC OCEAN
Sand dollar itself is a live hard echinodermic creature.
in the ocean
They Live under the sand
In the sand!
The Boltick Ocean.
In the sea.
In deep water in the ocean
No, a sand dollar would be made up of many cells.
because the animal they live in the ocean can hide from prediters
Salt water...Ocean...
No