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.