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Earth is a ball of lava
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The magma cools and a crust begins to from
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Asteroids deliver water to the earth and causing the rain for millions of years. Water is green due to lots of iron in it.
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the Continents begin to form and grow for 1 billion years
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Single celled organism begin to produce oxygen
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The iron in the ocean sinks and the sky becomes filled with oxygen
Rodinia also forms -
Cambrian explosion. During this time earth had the most diverse species. Mostly Marine life
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Tectonic movement that caused huge changes in climate and biological systems.
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During this time continental plates were low and sea levels had risen
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Late in the period the first four-legged amphibians appeared, indicating the colonization of land by vertebrates.
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During this period much of the landscape was filled with swamps, this is where we get much of our carbon from
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Ended with a mass extinction, about 90% of species died
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The early dinosaurs roamed the supercontinent of Pangea, ended in a mass extinction on 85-90% of species
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Pangea had begun to separate and create Laurasia to the north, and Gondwana to the south
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The final time period for the dinosaurs, there was a diverse amount of species and some of the largest land animals lived during this period
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An interval of enormous geologic, climatic, oceanographic, and biological change. The beginning of mammals being dominant
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Large glacial movements, during this time earth saw a large change in climate. Earliest humans form
