awesomeness778
awesomeness778 awesomeness778
  • 09-05-2017
  • Biology
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Who was the scientist who first proposed that all single-celled organisms should be put into their own kingdom?

Anton van Leeuwenhoek

Charles Darwin

Carolus Linnaeus

Ernst Haeckel

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lyssa86
lyssa86 lyssa86
  • 09-05-2017
Ernst Haeckel (1866) created a third kingdom for all single-celled organisms.
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