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EVOLUTION

By LaiaPeire
  • 4500 BCE

    Earth's Formation

    Earth's Formation
    4.500.000.000 years ago Earth was formed.
  • 4000 BCE

    The first organic molecules

    The first organic molecules
    4.000.000.000 years ago the first organic molecules appeared from inorganic matter.
  • 3500 BCE

    Life appears. Prokaryotic cells.

    Life appears. Prokaryotic cells.
    3.500.000.000 years ago, the first prokaryotic cells appeared. This first cell was stromatolytes and it was photosynthetic.
  • 1800 BCE

    Oxygen in the air

    Oxygen in the air
    1.800.000.000 years ago the oxygen appeared in air and atmosphere turned from reducing to oxidizing.
  • 1400 BCE

    Fisrt eukaryotic cells

    Fisrt eukaryotic cells
    1.400.000.000 years ago the first eukaryotic cells appeared.
  • 600 BCE

    Multicellular organisms. Cambrian life’s explosion

    Multicellular organisms. Cambrian life’s explosion
    6.000.000.000 years ago thanks to cell differentiation multicellular organisms were formed, creating more variety of species.
  • 500 BCE

    First vertebrates

  • 200 BCE

    Dinosaurs and mammals coexist.

    Dinosaurs and mammals coexist.
  • 65 BCE

    Dinousaur's extintion

    Dinousaur's extintion
    A catastrophic mundial change of the environment ended with the life of these giant species.
  • 65 BCE

    Primates

    Primates
    Primates are the offsprings of different prehistoric mammals.
  • 4 BCE

    Austrolopitecus

    Austrolopitecus
    Primates started evolutionating.