History of Life - P1 - G5

By mrsshaw

  • formation of the earth

    4.6 BYA

  • intense volcanic activity & formation of earth's crust

    4.5 BYA

  • cooling, meteorite bombardment & great electrical storms

    4.2 BYA

  • oceans formed

    4 BYA

  • FORMATION OF ORGANIC MOLECULES

    3.9 BYA

  • Coal Age- Warm, Swampy, Primitive Land Plants

    305 MYA

  • Abundant bacteria

    1.8BYA

  • Oldest known fossils of eukaryotes

    1.7BYA

  • Formation of early super continent-Pangaea

    1.25BYA

  • First Multicelled Animals--Jellyfish

    1.2BYA

  • Central U.S. in an Ocean (off and on)

    1.1BYA

  • Coral, Jellyfish, Sponges, and Worms Present in the Sea (Invertebrates)

    1BYA

  • Breakup of Early Super Continent

    580MYA

  • Cambrian Explosion of Marine Organisms--Trilobites

    570MYA

  • Oldest Known Forest with Tall Trees

    360 MYA

  • OLdest Known Forest With Tall Trees

    360 MYA

  • Oldest Known Reptiles

    350 MYA

  • Oldest Known Reptiles

    350 MYA

  • Giant Ferns and First Seed Plants

    310 MYA

  • Giant Ferns and First Seed Plants

    310 MYA

  • Coal Age--Warm, Swampy, Primitive Land Plants

    305 MYA

  • Super Contintent Pangea 2 Formed

    280 MYA

  • Super Contintent Panagea II Formed

    280 MYA

  • Mass Extinction of Sea Creatures - Trilobites

    250 MYA

  • Mass Extinction of Sea Creatures--Tilobites

    250 MYA

  • First Dinosaurs and Oldest Known Egg-Laying Mammals

    220 MYA

  • Continents Separate

    210 MYA

  • Oldest Known Flowering Plants

    130 MYA

  • Dinosaur Extinct

    65 MYA
  • Oldest known primates

    Oldest known primates

    60 MYA

  • India Collides with Asia producing the Himalayas

    50 MYA

  • First Birds

    180 MYA

  • First Monkey-like Primates

    35 MYA

  • Worldwide Glaciations

    1.6 MYA

  • Early Humans

    1.5 MYA