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The Big Picture: From the Origin of Life to the Rise of Humans ~ Tim Coulson

On Humans

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The Evolution of DNA and Multicellular Life

This chapter examines the origins of DNA and its pivotal role in the evolution of life, emphasizing the significance of Luca, the last universal common ancestor. It discusses the transition from simple life forms to complex multicellular organisms and the critical impact of the Great Oxidation Event on this process. The chapter highlights how increasing oxygen levels facilitated the emergence of more complex life through enhanced cellular processes.

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