Question

Distinguish between intracellular and extracellular digestion.

Answer 1

	Intracellular digestion	Extracellular digestion
1	The digestion of food occurs within the cell.	The digestion occurs in the cavity of alimentary canal.
2	Digestive enzymes are secreted by the surrounding cytoplasm into the food vacuole.	Digestive enzymes are secreted by special cells into the cavity of alimentary canal.
3	Digestive products are diffused into the cytoplasm.	Digestive products diffuse across the intestinal wall into various parts of the body.
4	It is a less efficient method.	It is a more efficient method of digestion.
5	It occurs in unicellular organisms and some other lower organisms.	It occurs in multicellular organisms.