Geologic Time

By kbruyneel
  • Period: to

    Precambrian time

  • First crustal rock forms

    First crustal rock forms

  • Earths surface is cool enough for liquid watern

    Earths surface is cool enough for liquid watern

  • First known unicellular life appears

    First known unicellular life appears

  • Earths atmosphere starts to becme oxygen rich

    Earths atmosphere starts to becme oxygen rich

  • First known multicellular life appears

    First known multicellular life appears

  • First fungi appear

    First fungi appear

  • First shelled organisms, such as arthropods ans mollusks, ppear

    First shelled organisms, such as arthropods ans mollusks, ppear

  • Pleozoic Era video

    Pleozoic Era video
    Paleozoic Era video
  • Period: to

    Palezoic Era

  • First possible vertebrates appear

    First possible vertebrates appear

  • Modern, oxygen-rich atmosphere has formed

  • First land plants appear

    First land plants appear

  • First athropodsappear on land

  • First amphibians appear

    First amphibians appear

  • First reptiles appear

    First reptiles appear

  • Formation of pangea is complete

    Formation of pangea is complete

  • Permian mass extinction results from major enviromental changes

  • Mesozoic Era video

    Mesozoic Era video
    Mesozoic Era Video

  • Mesozoic Era Article

    Mesozoic Era Article
    Mesozoic Era Article
  • Period: to

    Mesozoic Era

    Mesozoic Era video (very old only one I found)

  • Pangea begins to break apart

    Pangea begins to break apart

  • First mammals appear

    First mammals appear

  • First primative birds appear

    First primative birds appear

  • First flowering plants appear

    First flowering plants appear

  • First modern birds appear

    First modern birds appear

  • The last dinosaurs become extinct. Castrophic meteroit appears

    The last dinosaurs become extinct. Castrophic meteroit appears

  • Cenozoic Era Article

    Cenozoic Era Article
    Cenozoic Era Article
  • Period: to

    Cenozoic Era

  • Most modern mammal families, including whales, carnivores, hooved animalsand primates have appeared

    Most modern mammal families, including whales, carnivores, hooved animalsand primates have appeared

  • First grasses appear

    First grasses appear

  • India collides with Asia and Antartica drifts over South pole

    India collides with Asia and Antartica drifts over South pole

  • First hominids appear

  • Modern Ice Age begin

    Modern Ice Age begin

  • Modern humans appear

    Modern humans appear