amphibian evolution the life of early land vertebrates topa topics in paleobiology

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Amphibian Evolution

Author : Rainer R. Schoch
ISBN : 9780470671788
Genre : Nature
File Size : 59. 51 MB
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This book focuses on the first vertebrates to conquer land and their long journey to become fully independent from the water. It traces the origin of tetrapod features and tries to explain how and why they transformed into organs that permit life on land. Although the major frame of the topic lies in the past 370 million years and necessarily deals with many fossils, it is far from restricted to paleontology. The aim is to achieve a comprehensive picture of amphibian evolution. It focuses on major questions in current paleobiology: how diverse were the early tetrapods? In which environments did they live, and how did they come to be preserved? What do we know about the soft body of extinct amphibians, and what does that tell us about the evolution of crucial organs during the transition to land? How did early amphibians develop and grow, and which were the major factors of their evolution? The Topics in Paleobiology Series is published in collaboration with the Palaeontological Association, and is edited by Professor Mike Benton, University of Bristol. Books in the series provide a summary of the current state of knowledge, a trusted route into the primary literature, and will act as pointers for future directions for research. As well as volumes on individual groups, the series will also deal with topics that have a cross-cutting relevance, such as the evolution of significant ecosystems, particular key times and events in the history of life, climate change, and the application of a new techniques such as molecular palaeontology. The books are written by leading international experts and will be pitched at a level suitable for advanced undergraduates, postgraduates, and researchers in both the paleontological and biological sciences.

Proceedings

Author : Bernard J. Mamet
ISBN : STANFORD:36105017479754
Genre : Science
File Size : 60. 11 MB
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Author : Donald C. Johanson
ISBN : 9948011120
Genre : Human evolution
File Size : 21. 27 MB
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New Mexico Geology

Author :
ISBN : OSU:32435076310911
Genre : Geology
File Size : 37. 82 MB
Format : PDF
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At The Water S Edge

Author : Carl Zimmer
ISBN : 9780684856230
Genre : Science
File Size : 54. 90 MB
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AT THE WATER'S EDGE is a beautifully-written, accessible account of the greatest evolutionary mystery of all. We all know about evolution but it still seems absurd that our ancestors were fish. How did we ever get ashore? How did we make legs, arms and our extremely complex intelligence? Darwin's natural selection was the key to solving generation-to-generation evolution - microevolution - but it could only point us to an explanation still to come of the engines of macroevolution, the transformation of body shapes across millions of years. Carl Zimmer takes the reader on a fascinating quest to understand their beginnings, from pre-Darwinian scientists struggling to interpret early fossil discoveries to latter day geneticists, from whale graveyards in the deserts of Egypt to an amazing find in a forgotten specimen drawer at Oxford University. Including all the latest scientific research, AT THE WATER'S EDGE reveals how macroevolution works and, in doing so, provides a comprehensive, lucid and authoritative answer to the mystery of how nature actually made itself.

Author : وليم شكسبير
ISBN :
Genre : Juvenile Fiction
File Size : 42. 5 MB
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مسرحية من أعظم مسرحيات شكسبير قد تكون أقصر بكثير من مأسية الأخرى غير أنها لا توحى لقارئها بالقصر بقدر ما توحى بالسرعة والتركيز وهى مأساة رجل غير أخلاقى فى عالم أخلاقى لابد للشر ان يلقى فيه جزاءه مسرحية تراجيدية للمسرحي الإنكليزي ويليام شكسبير عن القائد الإسكتلندي مكبث الذي يغتال ملكه دنكن ليجلس على عرش إسكتلندا مكانه. مكبث أقصر تراجيديات شكسبير، ولا حبكة جانبية فيها تتعلق بأي شخصيةٍ أخرى. كُتبت هذه المسرحية في وقتٍ ما بين 1603 و1606، واعتمد فيها شكسبير بشكلٍ طفيف على شخصية مكبث الإسكتلندي أحد ملوك إسكتلندا. مُثلث هذه المسرحية مراراً

The Lost World Arabic Edition

Author : Arthur Conan Doyle
ISBN : 1512307653
Genre :
File Size : 54. 67 MB
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The Lost World (Arabic edition)

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