Download PDF The Beak of the Finch A Story of Evolution in Our Time
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Published on: 2015-06-23
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Original language: English
The Beak of the Finch tells the story of two Princeton University scientists―evolutionary biologists―engaged in an extraordinary investigation. They are watching, and recording, evolution as it is occurring―now―among the very species of Galápagos finches that inspired Darwin’s early musings on the origin of species. They are studying the evolutionary process not through the cryptic medium of fossils but in real time, in the wild, in the flesh.The finches that Darwin took from Galápagos at the time of his voyage on the Beagle led to his first veiled hints about his revolutionary theory. But Darwin himself never saw evolution as Peter and Rosemary Grant have been seeing it―in the act of happening. For more than twenty years they have been monitoring generation after generation of finches on the island of Daphne Major―measuring, weighing, observing, tracking, analyzing on computers their struggle for existence.We see the Grants at work on the island among the thousands of living, nesting, hatching, growing birds whose world and lives are the Grants’ primary laboratory. We explore the special circumstances that make the Galápagos archipelago a paradise for evolutionary research: an isolated population of birds that cannot easily fly away and mate with other populations, islands that are the tips of young volcanoes and thus still rapidly evolving as does the life that they support, a food supply changing radically in response to radical variations of climate―so that in a brief span of time the Grants can see the beak of the finch adapt. And we watch the Grants’ team observe evolution at a level that was totally inaccessible to Darwin: the molecular level, as the DNA in the blood samples taken from the birds reveals evolutionary change.Here, brilliantly and lucidly recounted―with important implications for our own day, when man’s alterations of the environment are speeding the rate of evolutionary changes―is a scientific enterprise in the grand manner, and abstraction made concrete, a theory validated in life. Short Films HHMI BioInteractive Short Films. Our series of short films for the classroom brings important scientific advances to life through fascinating stories of discovery. Peter and Rosemary Grant - Wikipedia Peter & Rosemary Grant. Peter Raymond Grant and Barbara Rosemary Grant a married couple are both British evolutionary biologists at Princeton University; each holds ... House finch - Wikipedia The house finch (Haemorhous mexicanus) is a bird in the finch family Fringillidae. It is native to western North America and has been introduced to the eastern half ... Glossary - PBS: Public Broadcasting Service acquired trait: A phenotypic characteristic acquired during growth and development that is not genetically based and therefore cannot be passed on to the next ... Free atticus finch Essays and Papers - 123helpme Free atticus finch papers essays and research papers. NOVA - Official Website Evolution Editors' Picks. The Evolution Lab. In this game explore the tree of life and get a front row seat to what some have called the greatest show on Earth. Evolution vs. Design: Is the Universe a Cosmic Accident or ... Does naturalistism and evolution fully explain the existence of our universe and life on earth or does the universe exhibit evidence of design? Evolution -- Transitionals & Observed Speciation and Evolution Links to our Past News of the Present Insight for the Future Alfred R. Wallace Linnean Society of London Evolution: Fact and Theory - ActionBioscience Read this article for more on the status of evolution and the meaning of the term theory. Check out a history of the debate over evolution in the last century in the ... Finch Related Web Sites and Books - eFinch.com Finch Books; Estrildid Finches of the World (Top 10) Derek Goodwin ISBN 0-8014-1433-4 (1982) This out-of-print book is still one of the best reference books you can ...
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