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Sun ignites, Solar System takes shape
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Earth is a molten core and starts to grow in size by obsorbing space matter.
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Earth Forms, Most cells Have Heterozygous Traits.
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Stromatolites Form
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Some forms of life become photosynthetic.
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Earth appears as it does today.
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Oxygen levels reached what they are today.
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Small aerobic Prokaryites start to live in bigger Prokaryites.
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Ozone Layer Formed, This protected organisms from the harmful UV rays so they could exist on land.
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1600-1700- Redi studied the difference in flys, in 1655 Robert Hooke Built the first usable Microscope.
1700-1800- Spallenzanni boiled broth and microorganisms in a open flask and a closed flask to find if molecules were in the air.
1800-1900- Pastur makes a curved neck flask to test if molecules were really in the air or not wich they were not.
1900-Present- Thomas Cech spliced RNA of a unicellular organism in 1970's, in 1952 Urey and Miller made a experiment that simulated conditions on earth. -
Radioactive Dating- Technique to find the dates of rocks, Fox Researched Physical Structures that may have rised first cells, Lynn Margulis- Early prokaryotic cells may developed a mutually beneficial relationship, Oparin's hypothesis- Many organic compounds could be synthesized with ultraviolet light.
