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The Solar System Began to Form (a swirling mass of gass and dust)
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Earth Began to Form (grew by colliding with space and debris)
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The Estimated Age of Earth
Archea, a group of organishs which can thrive under harsh conditions, are formed -
Lyghbya, which can grow in colonies and form structurs called stromatolites, are formed.
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Cyanobacteria are formed, they can carry out photosynthesis
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Earth appeared much as it does today
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O2 levels reached today's levels
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Endosymbiosis: The theory of how the first eukaryote cells were formed
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-Francisco Redi proved flies do not spring up from meat
-First microscope made by Robert Hooke
-Lorenzo Spallanazzi retested spontaneous generation with flasks
-Pastuers expierement modified from Spallanzis proves spontaneous gneration a myth
-Radiometric dationg is used to find the half-life of materials and thus determine how long the have been present
-Oparin proposed gasses, when heated at high prseeures, could have formed simple organic compunds -
-Urley+Miller set up an exiriment to text Oparin's hypothesis and it was proven true
-Sidney Fox did extensive research on the structres that gave rise to cells
-Cech found RNA can act as a chemical catalyst
-Lynn proposed early prokaryotic cells could have formed a mutually benefical relationship