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Invented the compound microscope (two lenses within a tube)
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Saw the 1st cell while looking at a cork tree using a microscope. Gave “cells” their name
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Used rotten meat to discover cells do NOT spontaneously pop up! Cells come from cells
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1st scientist to observe one celled organisms (such as bacteria) using pond water & teeth scrapings
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Discovered that plant tissues are made of cells. All plants are made of plant cells.
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Discovered that animal tissues are made of cells. All animals are made of animal cells
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Observed cells dividing, which led to the 3rd part of the cell theory: “Cells come from pre-existing cells”
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Made the 1st model of DNA, proving genes are hereditary
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.