OHHS AP Bio Chapter 25 Presentation
Origins of Life and Other Revolutions. Key Events in Evolution of Life on Earth Origins of life Oxygen revolution Eukaryotes (Endosymbiogenesis) Multicellularity.
Earth is estimated to be ~4.6 bill. yr old –Evidence: Radiometric dating of rocks & meteors Nebula Hypothesis: –Nebula: cloud of gas & dust in space.
