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Earths Biography

Published on Nov 22, 2015

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PRESENTATION OUTLINE

1.

EARTHS FORMATION

  • Earths is a sphere made of ice,dust, and rock.
  • A dense, iron core forms in earth.
  • Hydrogen and helium are captured.
  • Volcanoes release carbon dioxide.
  • Oceans form on Earths surface.
Photo by gnuckx
2.

CAMBRIAN 54 MILLION YEARS

  • Organisms with hard shells evolve.
  • Every animal lived in the sea.
Photo by U. S. Fish and Wildlife Service - Northeast Region
3.

ORDOVICIAN 44 MILLION YEARS

  • One celled organisms lived on land.
  • Sea creatures evolved.
  • Fish had no jaws
Photo by Nagyman
4.

SILVRIAN 28 MIL YEARS

  • Plants were growing in damp places.
  • Insects evolved.
Photo by Stuck in Customs
5.

DEVONIAN 57 MILLION YEARS

  • Vertebrates and invertebrates in oceans.
  • "Age of the fish"
  • Amphibians evolved
Photo by atomicshark
6.

CARBONIFEROUS 60 MIL YEARS

  • Small reptiles
  • Winged insects evolved
  • Large ferns in forests
Photo by atomicshark
7.

PERMIAN 48 MILLIAN YEARS

  • Pangea is created
  • Climates changed
Photo by ecstaticist
8.

TRIASSIC 51 MILLION YEARS

  • "Age of reptiles"
  • Fish, insects, and reptiles are common.
  • Mammals evolved
Photo by MrClean1982
9.

JURASSIC 54 MILLION YEARS

  • Dinosaurs were common
  • Reptiles fly.
Photo by cmiper
10.

CRETACEOUS 80 MIL YEARE

  • Plants evolved.
  • Dinosaurs still common.
Photo by Stuck in Customs
11.

PALEOGENE 43 MIL YEARS

  • Plants,animals appeared.
  • Whales, dolphins, plants evolved
  • Volcanic activity.
Photo by rbglasson
12.

QUATERNARY

  • Ice age
  • Animals, insects, plants thrive
  • Humans become common
Photo by michael clarke stuff

Samuel Stace