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Made the first discovery of cells while examining a thin cork through a microscope.
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Saw what he described as “little animals” through his microscope and called them animalcules. He saw the cells in a drop of pond water.
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German scientist who saw that every part of a plant he examined was made of cells.
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German scientist who saw that every part of an animal he examined was made of cells. "Finalized" the cell theory.
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Discovered that sperm cells and egg cells were also cells,
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First identified cells as basic unit of life.
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German physiologist, physician, pathologist, and anthropologist; added the third tenet to the cell theory: that all cells only develop from existing cells