1. If you had to pick a place in out school to be the nucleus of a cell, what would you pick? Vacuole? Mitochondria?

2. Levels of organization Example from human

3. Matthias Schleiden
Theodor Schwann

4. In the 1830’s Schleiden and Schwann developed the “Cell Theory”.

5. 1. All living organisms are made up of cells.

6. 1. All living organisms are made up of cells.
2. Cells are the smallest functional
unit in an organism.

7. 1. Cell theory states that all living organisms are made up of cells.
2. Cells are the smallest functional
unit in an organism.
3. Cells come from other cells.

8. 1. Cell theory states that all living organisms are made up of cells.
2. Cells are the smallest functional
unit in an organism.
3. Cells come from other cells.
4. Like cells give rise to like cells.

9. What cell is this?

10. The structure (shape) of a cell helps it complete it’s function.

11. Where did this cell come from?

12. New cells are created by old cells
dividing their membranes in two.

13. Do you think these cells are from the same organism?

14. They are all from the tip of this onion.