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  They developed the microscop allowing us to view things up close.
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  Uesd the word "cell" to describe what he seen. Robert hook was the 1st person to see a dead cell.
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  Increased the magnification power, the first to see living cell and discovered bacterica.
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  Proposes that all plant are made of cells.
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  He proposes that all animals are made of cells too and cells are the basic unit of life.
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  He published a book stating that all cell come from otherbliving cells