Notes On The Principles Of Quadrupedal Locomotion And Of The Mechanism Of The Limbs In Hoofed Animals
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Notes On The Principles Of Quadrupedal Locomotion And Of The Mechanism Of The Limbs In Hoofed Animals
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Author : Bashford Dean
language : en
Publisher:
Release Date : 1912
Notes On The Principles Of Quadrupedal Locomotion And Of The Mechanism Of The Limbs In Hoofed Animals written by Bashford Dean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912 with Animal locomotion categories.
Great Transformations In Vertebrate Evolution
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Author : Kenneth P. Dial
language : en
Publisher: University of Chicago Press
Release Date : 2015-07-20
Great Transformations In Vertebrate Evolution written by Kenneth P. Dial and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-20 with Science categories.
How did flying birds evolve from running dinosaurs, terrestrial trotting tetrapods from swimming fish, and whales return to swim in the sea? These are some of the great transformations in the history of life; events that have captured the imagination of scientists and the general public alike. At first glance, these major evolutionary events seem utterly impossible. The before and after look so fundamentally different that the great transformations of the history of life not only seem impossible, but unknowable. The 500 million year history of vertebrates is filled with change and, as a consequence, every living species contains within its structure, DNA, and fossil record, a narrative of them. A battery of new techniques and approaches, from diverse fields of inquiry, are now being marshaled to explore classic questions of evolution. These approaches span multiple levels of biological organization, from DNA sequences, to organs, to the physiology and ecology of whole organisms. Analysis of developmental systems reveals deep homologies of the mechanisms that pattern organs as different as bird wings and fish fins. Whales with legs are one of a number of creatures that tell us of the great transformations in the history of life. Expeditions have discovered worms with a kind of head, fishes with elbows, wrists, and necks; feathered dinosaurs, and human precursors to name only a few. Indeed, in the last 20 years, paleontologists have discovered more creatures informative of evolutionary transitions than in the previous millennium. "The Great Transformations "captures the excitement of these new discoveries by bringing diverse teams of renowned scientists together to attack particular transformations, and to do so in a contents organized by body part--head, neck, fins, limbs, and then the entire bauplan. It is a work that will transform evolutionary biology and paleontology."
Collected Papers
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Author : Henry Fairfield Osborn
language : en
Publisher:
Release Date : 1898
Collected Papers written by Henry Fairfield Osborn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1898 with categories.
The Titanotheres Of Ancient Wyoming Dakota And Nebraska
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Author : Henry Fairfield Osborn
language : en
Publisher:
Release Date : 1929
The Titanotheres Of Ancient Wyoming Dakota And Nebraska written by Henry Fairfield Osborn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1929 with Brontotheriidae categories.
Carnivore Behavior Ecology And Evolution
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Author : John L. Gittleman
language : en
Publisher: Cornell University Press
Release Date : 2019-05-15
Carnivore Behavior Ecology And Evolution written by John L. Gittleman and has been published by Cornell University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-15 with Science categories.
The mammalian order Carnivora is characterized by an incredible range of morphological, ecological, and behavioral variation. Carnivores can be as small as the 100-gram least weasel or as large as the 800-kilogram polar bear. Their reproductive rate can vary from one offspring every five years, as with some black bears, to three litters a year, as with the dwarf mongoose. Group sizes can be traced along a wide continuum, from the solitary ermine to the monogamous golden jackal to the large extended packs of as many as 80 spotted hyenas. Until recently the general habits of most wild carnivore species were inadequately understood. In the last decade, however, improved technologies, including the use of radiotelemetry and night-vision scopes, have led to many important discoveries. This book is at once a critical summary and an evaluation of current research on carnivores. A worthy successor to R.F. Ewer's monumental volume, The Carnivores (Cornell University Press), it is the work of 30 leading carnivore biologists, who here assemble comparative data on the basic anatomical, behavioral, ecological, physiological, reproductive, and evolutionary characteristics of this group. After a general introduction to the Carnivora, the volume is divided in three parts, each of which begins with a brief introduction outlining its main themes. Part I, Behavior, covers acoustic and olfactory communication, behavioral development, behavioral ecology of canids and hyaenids, modes of solitary living, and group living. In Part II, Ecology, topics include feeding ecology of the giant panda and Asiatic black bear, adatpations for aquatic living, ecological constraints on predation in felids, consequences of small size in mustelids, rate of basal metabolism and food habits, and reproductive output. Part III, Evolution, deals with the morphological approaches to phylogeny, and the fossil record. An appendix presents a complete classification of the Carnivora, including topics of continuing controversy. Highlighting recent developments in the study of the Carnivora and areas for further research, this broad synthesis will be of great value of students and researchers in animal behavior, behavioral ecology, wildlife ecology, mammalogy, paleontology, systematics, and evolution theory. It will also encourage realistic conservation programs to manage rapidly diminishing populations and will elucidate particular features of the carnivores for nonspecialist readers.
Methods In Paleoecology
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Author : Darin A. Croft
language : en
Publisher: Springer
Release Date : 2018-10-27
Methods In Paleoecology written by Darin A. Croft and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-27 with Science categories.
This volume focuses on the reconstruction of past ecosystems and provides a comprehensive review of current techniques and their application in exemplar studies. The 18 chapters address a wide variety of topics that span vertebrate paleobiology and paleoecology (body mass, postcranial functional morphology, evolutionary dental morphology, microwear and mesowear, ecomorphology, mammal community structure analysis), contextual paleoenvironmental studies (paleosols and sedimentology, ichnofossils, pollen, phytoliths, plant macrofossils), and special techniques (bone microstructure, biomineral isotopes, inorganic isotopes, 3-D morphometrics, and ecometric modeling). A final chapter discusses how to integrate results of these studies with taphonomic data in order to more accurately characterize an ancient ecosystem. Current investigators, advanced undergraduates, and graduate students interested in the field of paleoecology will find this book immensely useful. The length and structure of the volume also makes it suitable for teaching a college-level course on reconstructing Cenozoic ecosystems.
Bibliography Of North American Geology For 1912
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Author : John Milton Nickles
language : en
Publisher:
Release Date : 1913
Bibliography Of North American Geology For 1912 written by John Milton Nickles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1913 with Geology categories.
Biographical Memoirs
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Author : Office of the Home Secretary
language : en
Publisher: National Academies Press
Release Date : 1975-02-01
Biographical Memoirs written by Office of the Home Secretary and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975-02-01 with Biography & Autobiography categories.
Biographic Memoirs Volume 46 contains the biographies of deceased members of the National Academy of Sciences and bibliographies of their published works. Each biographical essay was written by a member of the Academy familiar with the professional career of the deceased. For historical and bibliographical purposes, these volumes are worth returning to time and again.
The Skeleton Of The Borophaginae Carnivora Canidae
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Author : Kathleen Munthe
language : en
Publisher: Univ of California Press
Release Date : 1989-01-01
The Skeleton Of The Borophaginae Carnivora Canidae written by Kathleen Munthe and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-01-01 with Science categories.
This volume provides the first full description and analysis of the postcranial skeleton of the Tertiary canid subfamily Borophagine. Borophagines have been stereotyped as noncursorial, bone-crushing scavengers, but comparisons with Recent digitigrade carnivores reveal a surprising diversity of habit among borophagines. The author relates functional characteristics to various aspects of borophagine paleoecology, including habitat, diet, social organization, and extinction.
Shaping Primate Evolution
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Author : Fred Anapol
language : en
Publisher: Cambridge University Press
Release Date : 2004-05-20
Shaping Primate Evolution written by Fred Anapol and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-20 with Social Science categories.
Shaping Primate Evolution is an edited collection of papers about how biological form is described in primate biology, and the consequences of form for function and behavior. The contributors are highly regarded internationally recognized scholars in the field of quantitative primate evolutionary morphology. Each chapter elaborates upon the analysis of the form-function-behavior triad in a unique and compelling way. This book is distinctive not only in the diversity of the topics discussed, but also in the range of levels of biological organization that are addressed from cellular morphometrics to the evolution of primate ecology. The book is dedicated to Charles E. Oxnard, whose influential pioneering work on innovative metric and analytic techniques has gone hand-in-hand with meticulous comparative functional analyses of primate anatomy. Through the marriage of theory with analytical applications, this volume will be an important reference work for all those interested in primate functional morphology.