Period 5, Nguyen, History of Earth

By 2013nguyenba

  • 5 BYA, SUN FORMATION

    5 BYA, SUN FORMATION
    Sun was established by a

  • 4 BYA, firsr cell life ( Prokaryotic )

    4 BYA, firsr cell life ( Prokaryotic )

  • 3 BYA, First Photosynthetic cells - make oxygen

    3 BYA, First Photosynthetic cells - make oxygen

  • 3.5 BYA, First fossils of prokaryotic bacteria

    3.5 BYA, First fossils of prokaryotic bacteria

  • 2.2 BYA, Earth looks like it does today ( land and oceans )

    2.2 BYA, Earth looks like it does today ( land and oceans )

  • 2 BYA, Endosymbiosis makes eukaryotic cells

    2 BYA, Endosymbiosis makes eukaryotic cells

  • 1 BYA, Oxygen in the air makes the ozone layer

    1 BYA, Oxygen in the air makes the ozone layer

  • 4.6 BYA = EARTH FORMATION

    4.6 BYA = EARTH FORMATION

  • Experiments in the 1600's, Redi, Spallanzani, Pasteur

    Experiments in the 1600's, Redi, Spallanzani, Pasteur