Living Fossil: The Story of the Coelacanth PDF Download
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Author: Keith Stewart Thomson
Publisher: W. W. Norton & Company
ISBN: 0393308685
Category : Nature
Languages : en
Pages : 256
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Book Description
Tells the story of a fish, the coelacanth, thought extinct for 70 million years, which was discovered in 1938 in the Indian Ocean.
Author: Keith Stewart Thomson
Publisher: W. W. Norton & Company
ISBN: 0393308685
Category : Nature
Languages : en
Pages : 256
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Book Description
Tells the story of a fish, the coelacanth, thought extinct for 70 million years, which was discovered in 1938 in the Indian Ocean.
Author: Valerie J. Weber
Publisher: Gareth Stevens
ISBN: 9780836845617
Category : Juvenile Nonfiction
Languages : en
Pages : 32
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Book Description
Describes the physical characteristics of a fish that is thought to have lived 400 million years ago.
Author: Sally M. Walker
Publisher: Carolrhoda Books
ISBN: 1575055368
Category : Juvenile Nonfiction
Languages : en
Pages : 76
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Book Description
Describes the 1938 discovery of the coelacanth, a fish previously believed to be extinct, and subsequent research about it.
Author: Eleanor Clymer
Publisher:
ISBN:
Category : Coelacanth
Languages : en
Pages : 121
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Book Description
Author: Peter L. Forey
Publisher: Forrest
ISBN: 9780955074097
Category : Coelaca
Languages : en
Pages : 0
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Book Description
The purpose of this book is to give an account of the life and times of a single species of fish, Latimeria chalumnae- the coelacanth (or are there now two species?). Before the discovery of the modern Latimeria, relationships of the coelacanths were thought to lie with the rhipidistians, a group of fossil fishes that many think are tetrapod ancestors. Hence, by looking at the modern coelacanth and assuming conservatism we may be able to reconstruct the life of the 'missing link' between fishes and tetrapods. The coelacanth is the only living animal to retain some structuralcharacteristics that were certainly present in the tetrapod ancestors, such as the intracranial joint. Therefore it is of some interest to try and find out how this joint works and what it is there for. The gene pool of the coelacanth has been separated from that of all other living vertebrates for at least 360 million years. Therefore, it is of some interest to find out how much deviation from contemporaneous fishes there has been. Coelacanths have often been used as the classic example of a particular evolutionary pattern whereby evolution is very fast in the early years and then slows down to stability and finally stagnation. This needs to be evaluated in the light of what we now know of the history of the coelacanths as a genetic lineage.
Author: Eleanor Clymer
Publisher:
ISBN:
Category : Coelacanth
Languages : en
Pages : 121
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Book Description
Author: Samantha Weinberg
Publisher: Harper Collins
ISBN: 0060932856
Category : Science
Languages : en
Pages : 242
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Book Description
The coelacanth (see-lo-canth) is no ordinary fish. Five feet long, with luminescent eyes and limb like fins, this bizarre creature, presumed to be extinct, was discovered in 1938 by an amateur icthyologist who recognized it from fossils dating back 400 million years. The discovery was immediately dubbed the "greatest scientific find of the century," but the excitement that ensued was even more incredible. This is the entrancing story of that most rare and precious fish -- our own great-uncle forty million times removed.
Author: N. Eldredge
Publisher: Springer Science & Business Media
ISBN: 1461382718
Category : Science
Languages : en
Pages : 445
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Book Description
The case history approach has an impressive record of success in a variety of disciplines. Collections of case histories, casebooks, are now widely used in all sorts of specialties other than in their familiar appli cation to law and medicine. The case method had its formal beginning at Harvard in 1871 when Christopher Lagdell developed it as a means of teaching. It was so successful in teaching law that it was soon adopted in medical education, and the collection of cases provided the raw material for research on various diseases. Subsequently, the case history approach spread to such varied fields as business, psychology, management, and economics, and there are over 100 books in print that use this approach. The idea for a series of Casehooks in Earth Science grew from my experience in organizing and editing a collection of examples of one variety of sedimentary deposits. The prqject began as an effort to bring some order to a large number of descriptions of these deposits that were so varied in presentation and terminology that even specialists found them difficult to compare and analyze. Thus, from the beginning, it was evident that something more than a simple collection of papers was needed. Accordingly, the nearly fifty contributors worked together with George de Vries Klein and me to establish a standard format for presenting the case histories.
Author: Keith Thomson
Publisher: Radius
ISBN: 9780091751159
Category : Coelacanth
Languages : en
Pages : 252
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Book Description
Off the coast of Southern Africa a fishing boat drags in a strange creature. A museum curator and a fish expert realize that they are looking at an animal from another time. This is a tale of modern science - chance capture, international rivalry and the obsessive personalities of the scientists. The coelacanth lives in the deep waters around one group of tiny islands. Why? Can it survive? What other forgotten creatures remain to be discovered?
Author: Caroline Arnold
Publisher: Charlesbridge Publishing
ISBN: 1607348365
Category : Juvenile Nonfiction
Languages : en
Pages : 35
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Book Description
You haven’t changed a bit! Living fossils, or modern-day animals that very closely resemble their ancient relatives. Meet the coelacanth, horseshoe crab, dragonfly, tuatara, nautilus, and Hula painted frog. All are living fossils. Why have they changed so little over time, while other animals evolved or went extinct? Using contrasting "then" and "now" illustrations, veteran nonfiction writer Caroline Arnold alternates between a prehistoric creature in its native environment and its contemporary living-fossil counterpart. An amazing way to experience the ancient past! Back matter includes a time line, additional information about the six living fossils, a glossary, and suggestions for further reading.
