Isbn: 9798172650888 - when earth awakened: what if the first living world was too small for you to see?: how the first life changed a planet: 2 (3 resultados)

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Taschenbuch. Condición: Neu. Neuware - How did life begin on Earth when the planet seemed empty Return to Earth billions of years before forests, animals, or breathable air. The ocean appears empty. The rocks seem silent. Yet somewhere in mineral pores, deep-sea vents, ice, or sunlit shore pools, chemistry may be approaching one of science's greatest frontiers: life.When Earth Awakened transforms the origin and early evolution of life into a cinematic evidence journey. Explore the environments and chemical pathways scientists investigate without pretending that one final recipe has been proved.Questions this visual journey explores- What was the first life on Earth Search for clues to tiny cells and microbial communities in an ancient world.- How did life begin on Earth Investigate hydrothermal vents, wet-and-dry cycles, mineral surfaces, membranes, and RNA-world ideas.- What are stromatolites Discover how layered structures can preserve evidence of microbial activity.- How did Earth get oxygen Watch photosynthetic microbes gradually transform oceans, minerals, climate, and the atmosphere.- When did complex life evolve Follow endosymbiosis, complex cells, multicellular bodies, Ediacaran organisms, and Cambrian seas.This is not a tale of one magical moment. It is the evidence-led story of tiny living systems that changed an entire planet. Each reconstruction distinguishes promising evidence, scientific hypotheses, and questions researchers have not yet solved.Created for curious readers ages 9-12, families, classrooms, and homeschool biology and Earth science.The planet is alive. Now life must find a way to leave the water. …

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