Línea del tiempo Biología

  • 4600 BCE

    Guide fossil-Precambrian

    Guide fossil-Precambrian
    Estromatolitus
  • Period: 4600 BCE to 575 BCE

    Precambrian

    Geological event: first ocean
    Climate event: oxygen is created
  • 3800 BCE

    First unicellular form

    First unicellular form
    Precambrian
  • 520 BCE

    First most complex life form (invertebrates)

    First most complex life form (invertebrates)
    Paleozoic
  • 520 BCE

    Guide fossil-Paleozoic

    Guide fossil-Paleozoic
    Trilobites
  • Period: 520 BCE to 260 BCE

    Paleozoic

    Geological event: supercontinent (pangea)
    Climate event: global warming
  • 470 BCE

    First land plants (gymnosperms)

    First land plants (gymnosperms)
    Paleozoic
  • 400 BCE

    Fish age

    Fish age
    Paleozoic
  • 300 BCE

    Anphibian age

    Anphibian age
    Paleozoic
  • 250 BCE

    Guide fossil-Mesozoic

    Guide fossil-Mesozoic
    Amonites
  • 250 BCE

    Guide fossil-Mesozoic

    Guide fossil-Mesozoic
    Belemnites
  • Period: 250 BCE to 65 BCE

    Mesozoic

    Geological event: Pangea is broken
    Climate event: big amounts of CO2
  • 145 BCE

    Age of reptiles

    Age of reptiles
    Mesozoic
  • 67 BCE

    First angiosperm plants (with flower)

    First angiosperm plants (with flower)
    Mesozoic
  • 40 BCE

    Age of birds and mammals

    Age of birds and mammals
    Cenozoic
  • 40 BCE

    Guide fossil-Cenozoic

    Guide fossil-Cenozoic
    Nummulites
  • Period: 40 BCE to 1 CE

    Cenozoic

    Geological event: continental drift ends
    Climate event: ice age
  • 12 BCE

    First homminids

    First homminids
    Cenozoic
  • 1 BCE

    Homo sapiens appears

    Homo sapiens appears
    Cenozoic