Cells part 2: cell theory

1. Cell Theory
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All living things are composed of cells.
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Cells are the basic units of structure and
function in living things.
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New cells are produced from existing cells.

2. ●
Cells could not be viewed until the invention
of the microscope in the 1600s
– Anton van Leeuwenhoek viewed tiny living
organisms in drops of pond water
– Robert Hooke coined the term “cell” after looking
at cork under a light microscope
– Following years of study by many biologists, the
cell theory was developed…