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Observed cork cells from an oak tree and was the first to coin the term 'cells." Also, Hooke became the first to publish drawings of cells.
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In 1668 he tested his ideas that life came from life, being the first to experimentally disprove spontaneous generation.
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Began development of the cell theory through their observations and contributions of their work with plant and animal cells.
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Proposed the theory of biogenesis (that organisms only arise from other organisms).
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Pasteur asserted that fermentation is caused by the growth of micro-organisms, and growth of bacteria in nutrient broths is not due to spontaneous generation, but rather to biogenesis (life from life).
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1) All living organisms are composed of cells. 2) The cell is the basic unit of life. 3) Cells arise from pre-existing cells.
