Life Begins: Crash Course Big History

The video explores the origin of life, highlighting its historical context and scientific mysteries. It discusses the characteristics that define life, such as metabolism and reproduction, and examines key scientific discoveries that have shaped our understanding. The evolution of early life forms, including prokaryotes and eukaryotes, is covered, along with the rise of complexity and the role of sex in evolution. Various theories on the origins of life are presented, and the video concludes with an explanation of DNA and RNA's role in life and evolution.

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