Cell Theory
and Unicellular and Multicellular organisms

The Cell Theory has three components.

1. All known living things are made up of one or more cells.

2.All living cells are created from pre-existing cells by division.

3.The cell is the basic unit of life in all living organisms.

Unicellular organisms- A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell; for example- Bacteria

Multicellular organisms- Multicellular organisms are organisms that consist of more than one cell; for example- Humans