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Feeding

Author: Kurt Schwenk
Publisher: Elsevier
ISBN: 0080531636
Size: 39.73 MB
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As the first four-legged vertebrates, called tetrapods, crept up along the shores of ancient primordial seas, feeding was among the most paramount of their concerns. Looking back into the mists of evolutionary time, fish-like ancestors can be seen transformed by natural selection and other evolutionary pressures into animals with feeding habitats as varied as an anteater and a whale. From frog to pheasant and salamander to snake, every lineage of tetrapods has evolved unique feeding anatomy and behavior. Similarities in widely divergent tetrapods vividly illustrate their shared common ancestry. At the same time, numerous differences between and among tetrapods document the power and majesty that comprises organismal evolutionary history. Feeding is a detailed survey of the varied ways that land vertebrates acquire food. The functional anatomy and the control of complex and dynamic structural components are recurrent themes of this volume. Luminaries in the discipline of feeding biology have joined forces to create a book certain to stimulate future studies of animal anatomy and behavior.

The Character Concept In Evolutionary Biology

Author: Günter P. Wagner
Publisher: Elsevier
ISBN: 0080528902
Size: 66.52 MB
Format: PDF
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Almost all evolutionary biologists, indeed all biologists, use particular features to study life. These characteristics or features used by evolutionary biologists are used in a particular way to unravel a tangled evolutionary history, document the rate of evolutionary change, or as evidence of biodiversity. "Characters" are the "data" of evolutionary biology and they can be employed differently in research providing both opportunities and limitations. The Character Concept in Evolutionary Biology is about characters, their use, how different sorts of characters are limited, and what are appropriate methods for character analysis. Leading evolutionary biologists from around the world are contributors to this authoritative review of the "character concept." Because characters and the conception of characters are central to all studies of evolution, and because evolution is the central organizing principle of biology, this book will appeal to a wide cross-section of biologists. Focuses upon "characters" -- fundamental data for evolutionary biology Covers the myriad ways in which characters are defined, described, and distinguished Includes historical, morphological, molecular, behavioral, and philosophical perspectives

Physiological And Ecological Adaptations To Feeding In Vertebrates

Author: J. Matthias Starck
Publisher: Science Pub Incorporated
ISBN: 9781578082469
Size: 51.21 MB
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Responding to recent interest in the gastrointestinal tract as a model for studies in physiological and ecological adaptation to fluctuating environmental conditions, this collection summarizes the current state of knowledge from an integrative perspective. The contributors come from the fields of comparative morphology, nutritional physiology, eco

Amphibian Evolution

Author: Rainer R. Schoch
Publisher: John Wiley & Sons
ISBN: 1118759133
Size: 41.91 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.

The Biology Of The Avian Respiratory System

Author: John N. Maina
Publisher: Springer
ISBN: 3319441531
Size: 56.87 MB
Format: PDF, Kindle
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The central focus of this book is the avian respiratory system. The authors explain why the respiratory system of modern birds is built the way it is and works the way that it does. Birds have been and continue to attract particular interest to biologists. The more birds are studied, the more it is appreciated that the existence of human-kind on earth very much depends directly and indirectly on the existence of birds. Regarding the avian respiratory system, published works are scattered in biological journals of fields like physiology, behavior, anatomy/morphology and ecology while others appear in as far afield as paleontology and geology. The contributors to this book are world-renowned experts in their various fields of study. Special attention is given to the evolution, the structure, the function and the development of the lung-air sac system. Readers will not only discover the origin of birds but will also learn how the respiratory system of theropod dinosaurs worked and may have transformed into the avian one. In addition, the work explores such aspects as swallowing mechanism in birds, the adaptations that have evolved for flight at extreme altitude and gas exchange in eggs. It is a highly informative and carefully presented work that provides cutting edge scientific insights for readers with an interest in the respiratory biology and the evolution of birds.

The Complete Dinosaur

Author: M. K. Brett-Surman
Publisher: Indiana University Press
ISBN: 0253357012
Size: 24.72 MB
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This is a New York Public Library Outstanding Reference Book of 1998. While the inhabitants of the lost world have long held sway over our imaginations, in recent years dinosaur science has experienced an explosive growth. More books on dinosaurs have been published in the past decade than in all the previous 150 years since Richard Owen named these 'fearfully great lizards' (correctly, 'reptiles'), and dinosaur research continues to make headlines. Reporting the latest discoveries and research, this book is an exuberant celebration of dinosaurs and of our ongoing fascination with them. Here, in one volume, is the single, most-authoritative account of dinosaur paleontology for the general reader. So rapidly has the field expanded that no individual can hope to master all the aspects of dinosaur paleontology. For this book, the editors have brought together forty-six experts in subjects ranging from functional morphology and paleobiology to biogeography and systematics to present a thorough survey of the dinosaurs from the earliest discoveries through the contemporary controversies over their extinction. Where contention exists, as over the question of whether dinosaurs were warm-blooded or cold-blooded, the editors have let the experts agree to disagree. Throughout technical jargon is kept to a minimum, and there is also a glossary of less familiar terms. Readers will find a wealth of information on the study and classification of dinosaurs, on each of the dinosaur groups, and on dinosaur biology and evolution. Not the least among these riches are the more than 350 illustrations (Including 16 pages of color plates), many prepared especially for this volume. The volume concludes with a survey of dinosaurs in the media and a chronology of the history of dinosaur science. This is the single most authoritative account of dinosaur paleontology for the general public, all in one volume. Sumptuously illustrated, with up-to-the-minute information, it features: more than 350 illustrations, including 16 pages in full color; each chapter written by an expert in dinosaur studies; includes the latest dinosaur discoveries; new information on the warm-blooded/cold-blooded debate; new insights on the possibility of isolating dinosaur DNA; what dinosaurs ate and how we know about it; dinosaurs in the media; a time-line of the history of dinosaur science; and much, much more!