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first lenses used in europe
combos of lenses gave better view
first compound microscope invented -
Used light microscope to look at slices of plant tissue, or cork. Upon observation Hooke concluded that the cork looked empty, like monk's chambers, he called the tiny chambers cells.
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Leeuwenhoek uses miscroscope to study nature. He becomes the first man to view pond water organisms, and to see living microscopic organisms. He made careful sketches of his observations.
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German botanist, who stated that "all plants are made of cells", after observing that all the plants he studied were made of cells.
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German zoologist who studied animals. All the animals he studied were cellular, so he concluded that "all animals re made of cells".
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German physician who studiedcell reproduction. He was one of the first to accept that the origin of cells was the division of preexisting cells so he concluded "where a cell exists, ther emust have been a preexisting cell".