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Full Description
How is it that we came to be here? The search for answers to that question has preoccupied humans for millennia. Scientists have sought clues in the genes of living things, in the physical environments of Earth from mountaintops to the depths of the ocean, in the chemistry of this world and those nearby, in the tiniest particles of matter, and in the deepest reaches of space. In Islands of the Cosmos, Dale A. Russell traces a path from the dawn of the universe to speculations about our future on this planet. He centers his story on the physical and biological processes in evolution, which interact to favor more successful, and eliminate less successful, forms of life. Marvelously, these processes reveal latent possibilities in life's basic structure, and propel a major evolutionary theme: the increasing proficiency of biological function. It remains to be seen whether the human form can survive the dynamic processes that brought it into existence. Yet the emergence of the ability to acquire knowledge from experience, to optimize behavior, to conceptualize, to distinguish "good" from "bad" behavior all hint at an evolutionary outcome that science is only beginning to understand.
Contents
Foreword by Simon Conway Morris
Preface
Acknowledgments
1. Time Travel
2. The Extraterrestrial Pre-Hadean
3. The Hadean Eon
4. The Archean Eon
5. The Proterozoic Eon
6. Phanerozoic Marine Life
7. Origin of Complex Terrestrial Ecosystems
8. Toward the Coal Age
9. Ascendancy of Life on Land
10. Bridging the Eras
11. The Natural History of Natural Selection
12. An Age of Giants
13. One Earth, Two Worlds
14. The Modern Earth
15. Synthesis
Epilogue: The Way of Life
References
Index
