Question

*Write any three differences between unicellular and multicellular organisms.

Answer 1

Unicellular organism: When all the vital functions which are necessary for life are performed by a single cell, then such cell is called the unicellular organism.

Multicellular organisms: Multicellular organisms are organisms that are made from a large number of cells or which are made from multiple numbers of cells.

Difference Between Unicellular And Multicellular Organisms

Unicellular Organisms	Multicellular Organisms
Unicellular organisms are composed of a single cell.	Multicellular organisms are composed of more than one cell.
2. Simple body organization.	2. Complex body organization.
3. A single cell carries out all necessary life processes.	3. Multiple cells perform different functions.
5. Division of labour is at the organelle level.	5. Division of labour is at cellular, tissue, organs and organ system level.