Moves water molecules
Diffusion
Osmosis
Active Transport

osmosis

Explanation:

osmosis is the diffusion of water across a semi permeable membrane

hope this helps

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

this is a good question! i'll do some research and come back when i have the answer!