Cosmology and astronomy
Life on Earth and in the Universe

History of life on Earth

  1. Earth Formation
  2. Beginnings of Life
  3. Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon
  4. Biodiversity Flourishes in Phanerozoic Eon
  5. First living things on land clarification

First living things on land clarification First living things on land clarification (This video copyrighted under Create Commons Attribution and Share-Alike CC-BY-SA license)

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First living things on land clarification

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