How is osmosis similar and different to diffusion?

Osmosis is the movement of water and is always the movement in the membrane.Diffusion does not need a membrane to make molecules and Diffusion is the movement of molecules. they do not require energy, they both move from a high concentrate to a low concentrate, and they both occur in plants and animals.

Cis your correct answer

Well i had the same answer, so the correct answer would be a. but in this case it would be the one with plasma membrane and cell wall circled that is next to the hairy pill type of thing.