Science Discovery _ of _ the _ Cell.pptx

Powerpoint about Discovery of Cell

1. The Discovery of the Cell

2. Introduction Cells = Basic unit of life First discovered in the 1600s using a microscope

3. Robert Hooke (1665) Observed cork under a microscope Saw tiny 'compartments' → called them cells

4. Anton van Leeuwenhoek (1674) Improved microscope First to see living cells (bacteria, protozoa)

5. Schleiden & Schwann (1838–1839) Matthias Schleiden: All plants are made of cells Theodor Schwann: All animals are made of cells

6. Rudolf Virchow (1855) Proposed: 'All cells come from pre-existing cells'

7. Cell Theory Summary 1. All living things are made of cells. 2. The cell is the basic unit of life. 3. All cells come from existing cells.

8. Closing The discovery of the cell changed biology forever. Foundation of modern life science.