1. Cell Theory and Cell Types

2. Levels of Organization
Atoms
Molecules
Cells
Tissues
Organs
Organ Systems
Organisms
Populations
Communities
Ecosystem

3. The Cell Theory
A. The cell is the
basic unit of life.

4. B. All living organisms are
The Cell Theory
B All living organisms are
made up of cells.

5. The Cell Theory
C. All cells come from
pre-existing cells.

6. Cell Types Prokaryotic Cells No nucleus No membrane bound organelles
Unicellular Organisms
Example: Bacteria, Archae

7. Cell Types B. Eukaryotic Cells Has a nucleus
Has membrane bound organelles
Unicellular & Multicellular Organisms
Ex: Plants, Animals, Fungi…