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established methods for investigation and reasoning and provided a theory on how embryos generate and develop. He started the theory that an organism develops gradually from undifferentiated material
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invented the first truly compound microscope
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partly discoverd photosynthasis
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learned to grind lenses and assemble them into simple microscopes
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used a homemade microscope to observe cork cells and invented the cell name
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descoverd the nucleus of a cell
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created the first cell theory.
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co-founder of cell theory. extended it to animals
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the sperm and egg were composed of cells and that humans are formed of cells from beginning to end
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All living cells arise from pre-existing cells
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created the process of Pasteurization
