THE ORIGIN OF LIFE

By asarda
  • 100

    Eatrths formation (4.500 Millon years)

    Inorganic mater → organic matter.
  • 300

    The firs organic molecules (4.000 Millon years)

    Amino Acids, glucose, adenine. Macrocelular complex + organelles.
  • 400

    Synthesis of nucleic acids (3.600 Millon years)

    Synthesis of nucleic acids (RNA, DNA).
  • 400

    Formation of protocells (3.800 Millon years)

    Formation of protocells (coacervates).
  • 500

    Life appears (3.500 Millon years)

    Prokaryotic cells stromatolites (photosynthetic).
  • 1200

    Oxygen in the air (1.800 Millon years)

    Oxygen disaster stromatolites dies heterotrophic lives. The amount of oxygen in the atmosphere increased a lot and the atmosphere became oxydyzing.the amount of oxygen in the atmosphere increased a lot and the atmosphere became oxydyzing.
  • 1300

    Prokaryotic Heterotrophic (1.600 Millon years)

  • 1400

    Fisrt eukaryotic cells (1.400 Millon years)

    Eukaryotic cells (endosymbiosis hypothesis)

  • Sexual reproduction (900 Millon years)

  • Multicellular organisms (600 Millon years)

    Multicellular organisms. Cambrian life’s explosion.

  • First vertebrates (500 Millon Years)

  • Dinosaurs and mammals coexist (200 Millon years)

    The Dinosaurs and mammals coexist in the same habitat.

  • Dinosaurs’ extinction (65 Millon years)

    The dinosaurs was extinguished because a meteorite crashed in the Earth’s.

  • Primates (50 Millon years)

  • Astrolopitecus (4 Millon years)