period 5 patel history of earth timeline

By 2011patelne
  • 5 Billion

    5 Billion

    birthof the solar
  • 4.6 B Y A

    4.6 B Y A

    earth began to form
  • 3.8 B Y A

    3.8 B Y A

    Bacteria diversify.
  • 3.7 b y a

    3.7 b y a

    photosynthesizing bacteria
  • 3.5 B Y A

    3.5 B Y A

    oldest fossils
  • 2.2 B Y A

    2.2 B Y A

    oxygen appears in the environment,causing damage to living tissues.
  • 1.8 B Y A

    1.8 B Y A

    oldest eukaryote fossils
  • 600 mya

    600 mya

    protective ozonelayerin place
  • 800 mya

    800 mya

    major glaciation period beging.
  • 480 mya

    480 mya

    lahd plants
  • 350 mya

    350 mya

    Reptiles
  • 400 m y a

    400 m y a

    oxygen nears present daylevels.
  • 250 mya

    250 mya

    perrnian aopercent
  • 220 mya

    220 mya

    crocodiles dinosaurs manmals.
  • 200 mya

    200 mya

    pangaea starts to break apart.
  • 65 mya

    65 mya

    cretaceous 60- 80 percent.
  • 60 mya

    60 mya

    primates.
  • 5.2 mya

    5.2 mya

    Hominids
  • 100,00 years

    100,00 years

    modern hunans Late pleistocehe 45 pounds.