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Download Cell Theory and Contributions of Scientists Answer Key
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Complete this worksheet while you watch The Cell Theory – a timeline Power Point. Scientist Year Technology Contribution to Cell Theory Hans Janssen and Zacharias Janssen Robert Hooke 1590 First compound microscope 1665 Anton van Leuwenhoek 1673 Matthias Schleiden 1838 Theodor Schwann 1839 Rudolf Virchow 1855 Used a light Called tiny microscope to chambers “cells” look at thin slices of cork and saw tiny boxes he called cells First to see living microscopic organisms in pond water Studied plants Concluded all plants are made of cells Studied animals Stated that all animals are made of cells Studied cell Concluded cells reproduction must come from other cells The three parts of the cell theory are: 1. All living things are composed of cells. 2. Cells are the basic units of structure and function in living things. 3. New cells are produced from existing cells.
