write this in a short sentence

Question

Diffusion and osmosis are both types of passive transport, where molecules move from an area of high concentration to an area of low concentration. The main difference is that osmosis specifically refers to the movement of water molecules across a selectively permeable membrane. The only substance that undergoes osmosis is water.

Answer 1

Diffusion and osmosis are types of passive transport, with osmosis specifically involving the movement of water molecules across a selectively permeable membrane.