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Life on a Young Planet

The First Three Billion Years of Evolution on Earth

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Australopithecines, dinosaurs, and trilobites evoke images of lost worlds, but they represent just a fraction of life’s nearly four-billion-year history. The exploration of life’s origins on a young planet to the Cambrian explosion reveals a compelling explanation for the emergence of biological novelty. The latest paleontological discoveries, many by the author and his students, are integrated with insights from molecular biology and earth system science, providing a comprehensive understanding of how our biological diversity evolved. By examining regions from Siberia to Namibia to the Bahamas, the narrative illustrates the co-evolution of life and environment throughout Earth's history. Biological innovations have shaped our atmosphere and oceans, while environmental changes have influenced evolutionary paths, closing opportunities for some species and opening new avenues for others. Readers are taken into the field to confront fossils, into labs to explore cellular mechanisms, and even to Mars, contemplating how terrestrial experiences inform the search for extraterrestrial life. The text addresses pressing scientific questions, including the oldest fossils, life beyond Earth, global glaciation, and the unifying concept of "permissive ecology." By uncovering Earth’s biological roots, the work enhances our understanding of our place in the universe and our responsibilities as stewards of this ancient planet.

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Life on a Young Planet, Andrew H. Knoll, Max Ernst

Lingua
Pubblicato
2003
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(Copertina rigida)
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Titolo
Life on a Young Planet
Sottotitolo
The First Three Billion Years of Evolution on Earth
Lingua
Inglese
Pubblicato
2003
Formato
Copertina rigida
Pagine
277
ISBN10
0691009783
ISBN13
9780691009780
Serie
Valutazione
4,15 su 5
Descrizione
Australopithecines, dinosaurs, and trilobites evoke images of lost worlds, but they represent just a fraction of life’s nearly four-billion-year history. The exploration of life’s origins on a young planet to the Cambrian explosion reveals a compelling explanation for the emergence of biological novelty. The latest paleontological discoveries, many by the author and his students, are integrated with insights from molecular biology and earth system science, providing a comprehensive understanding of how our biological diversity evolved. By examining regions from Siberia to Namibia to the Bahamas, the narrative illustrates the co-evolution of life and environment throughout Earth's history. Biological innovations have shaped our atmosphere and oceans, while environmental changes have influenced evolutionary paths, closing opportunities for some species and opening new avenues for others. Readers are taken into the field to confront fossils, into labs to explore cellular mechanisms, and even to Mars, contemplating how terrestrial experiences inform the search for extraterrestrial life. The text addresses pressing scientific questions, including the oldest fossils, life beyond Earth, global glaciation, and the unifying concept of "permissive ecology." By uncovering Earth’s biological roots, the work enhances our understanding of our place in the universe and our responsibilities as stewards of this ancient planet.