Cell Theory Cartoon
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- Today We Are Learning About The
- The Cell Theory consists of three principles: - All living things are composed of cells.- Cells are the basic units of life.- Cells come from other cells.
- Many people in history helped developed this theory.
- Cell Theory
- Contribution:Discovering the tiny boxlike sections on a cork, Hooke began to understand that cells are the smallest units of life.
- Robert Hooke
- 1635-1703
- Contribution:Brown discovered the nucleus in the cell.
- Robert Brown
- 1733-1858
- Matthias Schleiden
- Contribution:Schleiden came to the conclusion that all plant tissues are made of cells and an embryonic plant came from a single cell. He declared that the basic building block of plant matter are cells.
- 1804-1881
- Contribution:Schwann proposed the cell theory, stating that all plant and animal tissues are composed of cells. Also that all cells in an organism are identical.
- Theodor Schwann
- 1810-1882
- Contribution:Virchow made it more clear that diseases occur at the cellular level. He came to this conclusion using the theory that all cells come from pre-existing cells.
- Rudolf Virchow
- 1821-1902
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