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The Cell Theory 1.All living things are composed of cells. 2.Cells are the basic units of structure and function in living things. 3.All cells are produced.

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Presentation on theme: "The Cell Theory 1.All living things are composed of cells. 2.Cells are the basic units of structure and function in living things. 3.All cells are produced."— Presentation transcript:

1 The Cell Theory 1.All living things are composed of cells. 2.Cells are the basic units of structure and function in living things. 3.All cells are produced from other cells.

2 Zacharias Janssen - 1590 Invented the first compound microscope May have been helped by his father

3 Robert Hooke - 1665 Looked at cork and called the square rooms “cells”

4 Anton Van Leeuwenhoek - 1680 Looked at pond water and saw “animalcules” Looked at his teeth scrapings and discovered bacteria

5 Matthias Schleiden and Theodor Schwann Schleiden 1838 (studied plants) Schwann 1839 (studied animals) B Both men concluded that living things were made of cells.

6 Rudolf Virchow - 1855 Concluded that all cells come from existing cells

7 Louis Pasteur - 1862 Disproved spontaneous generation Proved that all life comes from life


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