linea del tiempo biologia

  • Period: 4600 BCE to 540 BCE

    Precambrian:

    Geological events:
    Origin and early evolution of the earth.
    Climate events:
    Ice Age and first ice age .
  • 3800 BCE

    Emergence of life (cyanobacteria):

    The first beings arose through the action of chemical processes made possible by the conditions of the primitive Earth.
  • Period: 540 BCE to 255 BCE

    Paleozoic:

    Geological events:
    orogeny and volcanism
    Climate events:
    High CO2: Warming.
  • 505 BCE

    Massive spread of living beings:

    It is the brief biological period where biodiversity other than species extends.
  • Period: 255 BCE to 65 BCE

    Mesozoic:

    Geological events:
    The displacement of the continents begins until the current situation
    Climate events:
    Large amounts of CO2
  • 145 BCE

    appearance of tyrannosaurs:

    The vast majority of dinosaurs appeared at the end of the Triassic Period, when Pangea would split in two due to a series of earthquakes and volcanic eruptions. Among them, theropods and prosauropods stand out.
  • Period: 65 BCE to 1 BCE

    Cenozoic:

    Geological events:
    Completion of the orogeny and continental drift
    Climate events:
    Last ice ages and the ice age
  • 1 BCE

    Homosapiens:

    Homosapiens, the first modern humans, evolved from their ancient hominid predecessors