Gravity...or so i have been told...
They move by using their soft body and muscular foot.
Sea anemones don't actually move their bodies they only move their long tenticals.
Sea urchins move by using tube feet on it's underside that work with the spines to help it move
when sea cucumbers are born they are born with cilia. Cilia helps them to move around.
how fast do sea lions move
A sea urchin does move, but not very frequently.
the sponge, the sea anemone, and the clam.
Yes. :)
the wind
Certain kinds of sea horses can move 10.5 inches per minute
sea stars move through the water by emitting a fluid from the hole on their underside; it propels them through the water
Sea anemone dont move from a point A to point B, however, they do sway with water currents.