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Evidence for Early Life: Microfossils, biomarkers, and preservation

Evidence for Early Life: Microfossils, biomarkers, and preservation. Tracy Quan September 19, 2006. The Big Questions. When did life start? What type of organisms were first? When did photoautotrophs develop? When did the Earth become oxygenated?

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Evidence for Early Life: Microfossils, biomarkers, and preservation