In parasitic mode of nutrition, is the food obtained by diffusion or osmosis? If not then how does this process take place?

In parasitic mode of nutrition, is the food obtained by diffusion or o

1.	In parasitic mode of nutrition, is the food obtained by diffusion or osmosis? If not then how does this process take place?
Answer» In parasitic mode of nutrition, is the food obtained by diffusion or osmosis? If not then how does this process take place?