Earth, from 4.6 billion years ago to present.
Created by meggymackk on Apr 13, 2011
Last updated: 04/14/11 at 02:12 PM
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Pangea Forms , Appalachian mountains start forming
Oldest Fossils (BACTERIA AND ALGAE)
Early birds and mammals
First Trees and Land Insects
Early fish
Rocks Start Forming
First Reptiles
EARTH FORMED
DINOSAURS SHOW UP !
Early muti-celled organisms
Early Sharks
Early shelled organisms and large numbers of marine fossils
Early land plants
Oxygen forming in atmosphere
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