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jan 1, 1839 - Scientists propose that animals are composed of cells & cell theory

Description:

Theodor Schwann, a German botanist adds on that animals are also composed of cells. He proposes a cell theory:
1) All living things consist of one or more cells
2) The cell is the basic unit of structure for all organisms

Added to timeline:

Cell Theory History

BySierra Johnson
14 Sep 2020
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Date:

jan 1, 1839
Now
~ 187 years ago
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