Question

how does a earthworm and snail move

Answer 1

an earthworm has moist skin .The skin of earthworm help it to move and breathe.

a snail has moist skin but he have a liquid in his moist skin this liquid helps the snail to move

Answer 2

Heyaa folk,

Earthworm moves with the help of Bristles. These Bristles are tiny. Tiny means, they are as small as hair.
The segmentation can help the earthworm to move forward and backward.

Hope it helps u :)