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All Living Things Are Made of Cells
Updated: 9/6/2020
All Living Things Are Made of Cells
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Storyboard Text

  • In 1678, I reported to the Royal Society that I have discovered "little animals" -- bacteria and protozoa -- in various samples. The society asked Hooke to confirm my findings, and he did!
  • Hi! I'm Antonie Van Leeuwenhoek and I observed living cells with a small lenses.
  • The discovery of the cell was made possible by the invention of the microscope, which was made possible by improved lens-grinding techniques.
  • My single most important discovery was the existence of single-cell organisms. While I was using a microscope to examine pond water in 1674, I observed dozens of protists, which I called 'animalcules,' as well as spirogyra, or green algae.
  • The existence of single-celled organisms not only opened an entirely new unseen world for biologists but also established the field of microbiology.
  • My discovery helped to form the basis of cell theory and discredit the idea of spontaneous generation.
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