Question

Differentiate between unicellular and multicellular organisms.

Answer 1

• Unicellular Organisms:

1. They are made up of a single cell.
2. They can perform all the functions of life.
3. They are very small (microscopic) in size
4. They lack tissues, organs and organ systems
5. Growth occurs by an increase in the size of the cell.
6. Eg. Amoeba, Paramecium, Euglena.

• Mukkellubr Organisms

1. They are made up of many cells.
2. Different cells perform different functions.
3. They are mostly large in size. They are seen through naked eyes.
4. They are composed of tissues, and organ yems.
5. Growth occurs by an increase in the number of cells by cell division.
6. Eg. Earthworms, Fish, Frogs, Lizard and Human being.