1. The Cell Theory

2. Important Scientists Many important scientists aided in the discovery of the cell and the formulation of the cell theory Many important scientists aided in the discovery of the cell and the formulation of the cell theory

3. Zacharias Janssen 1580-1638 Dutch scientist Dutch scientist Built a compound microscope with his father in 1595 Built a compound microscope with his father in 1595

4. Anton Von Leeuwenhoek 1632-1723 Dutch scientist that made the first simple microscope Dutch scientist that made the first simple microscope Discovered bacteria Discovered bacteria

5. Robert Hooke 1635-1703 Came up with the word "cell" after studying cork under the microscope Came up with the word "cell" after studying cork under the microscope Wrote Micrographia Wrote Micrographia

6. Matthias Schleiden 1804-1881 German botanist who concluded that all plants are made of cells German botanist who concluded that all plants are made of cells

7. Theodor Schwann 1810-1882 German physiologist that concluded all animals are made of cells German physiologist that concluded all animals are made of cells

8. Rudolf Virchow 1821-1902 German histologist that concluded all cells come from other cells German histologist that concluded all cells come from other cells

9. The Cell Theory All organisms are made of cells. All organisms are made of cells. Cells are the basic units of structure and function for all living things. Cells are the basic units of structure and function for all living things. All cells come from other cells. All cells come from other cells.

10. The Cell The basic unit of structure and function of living things The basic unit of structure and function of living things

11. Prokaryote Cells that do not have a nucleus or other cellular compartments Cells that do not have a nucleus or other cellular compartments The first cells were prokaryotes The first cells were prokaryotes

12. Eukaryote Cells that have a nucleus surrounded by a nuclear membrane Cells that have a nucleus surrounded by a nuclear membrane

14. Unicellular Organism composed of one cell Organism composed of one cell

15. Multicellular Organism composed of many cells Organism composed of many cells

16. In all living things, the presence of what structure supports the cell theory. A cell wall B cell membrane C vacuole D chloroplast