Summary:
The book explores the role of energy and cellular mechanisms, particularly the function of mitochondria, in the evolution of complex life on Earth. It presents a hypothesis on how the energy constraints of early cells may have driven the emergence of complex organisms through endosymbiosis.
Key points:
1. Energy's Role in Evolution: The book highlights energy's pivotal role in life's evolution, arguing that energy availability and use shaped life's complexity on Earth.
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