Question

what is the application of diffusion and osmosis in single celled organisms and multi celled organisms

Answer 1

for example amoeba enters the food in body.....

Answer 2

The diffusion and osmosis in unicellular is very fast. Unicellular organisms have very flexible cell membrane so the whole process of diffusion and osmosis can be easily takes place. But in multicellular organisms they have also flexible cell membrane so that this process is also takes place easily