Question

What is diffusion? Name an organism that excretes by the process of diffusion.

Answer 1

the spontaneous movement of water or carbon dioxide from a selectively permeable membrane called diffusion.ex.amoeba

Answer 2

the smell of food being cooked in kitchen generally reaches us even from a cosiderable distance this is because of the process of diffision

difdusion is a property of matter which is based on the motion of its particles