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Author: Wolfgang Schad
Publisher:
ISBN:
Category : Anatomy, Comparative
Languages : en
Pages : 378
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Book Description
Author: Wolfgang Schad
Publisher:
ISBN:
Category : Anatomy, Comparative
Languages : en
Pages : 378
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Book Description
Author: Ralph Gwatkin
Publisher: Springer Science & Business Media
ISBN: 1461588049
Category : Nature
Languages : en
Pages : 163
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Book Description
Fertilization in mammals normally occUrs within the oviduct, where it is relatively inaccessible to study. However, as a result of painstaking research, most of it carried out over the last five years, this barrier to experimentation has been largely overcome by the development of in vitro fertilization techniques for at least 11 different species, including man. The result has been a rapid increase in our knowledge of the physiological and bio chemical mechanisms involved in the fertilization process. The aim of this book, which is an extension of my recent review of cell surface interactions in fertilization (Gwatkin, 1976), is to present a brief, but well documented, account of the new knowledge that has been attained. Although this book deals with mammalian fertilization mechanisms, I have included some recent experiments on am phibian and invertebrate gametes to supplement the mammalian picture. This information is particularly valuable as the rela tively large number of eggs available from these lower forms has advanced our knowledge of certain fertilization mechanisms beyond what is known in mammals. However, in the interest of brevity, I have omitted details of morphology and minor varia tions between species. For these, and other aspects not covered here, the reader is referred to the books of Austin (1965, 1968), vii viii PREFACE Austin and Short (1972), Metz and Monroy (1969), Monroy (1965), Lord Rothschild (1956a), and Zamboni (l971a).
Author: Matthew Scully
Publisher: St. Martin's Press
ISBN: 1429980435
Category : Nature
Languages : en
Pages : 452
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Book Description
"And God said, Let us make man in our image, after our likeness; and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth." --Genesis 1:24-26 In this crucial passage from the Old Testament, God grants mankind power over animals. But with this privilege comes the grave responsibility to respect life, to treat animals with simple dignity and compassion. Somewhere along the way, something has gone wrong. In Dominion, we witness the annual convention of Safari Club International, an organization whose wealthier members will pay up to $20,000 to hunt an elephant, a lion or another animal, either abroad or in American "safari ranches," where the animals are fenced in pens. We attend the annual International Whaling Commission conference, where the skewed politics of the whaling industry come to light, and the focus is on developing more lethal, but not more merciful, methods of harvesting "living marine resources." And we visit a gargantuan American "factory farm," where animals are treated as mere product and raised in conditions of mass confinement, bred for passivity and bulk, inseminated and fed with machines, kept in tightly confined stalls for the entirety of their lives, and slaughtered in a way that maximizes profits and minimizes decency. Throughout Dominion, Scully counters the hypocritical arguments that attempt to excuse animal abuse: from those who argue that the Bible's message permits mankind to use animals as it pleases, to the hunter's argument that through hunting animal populations are controlled, to the popular and "scientifically proven" notions that animals cannot feel pain, experience no emotions, and are not conscious of their own lives. The result is eye opening, painful and infuriating, insightful and rewarding. Dominion is a plea for human benevolence and mercy, a scathing attack on those who would dismiss animal activists as mere sentimentalists, and a demand for reform from the government down to the individual. Matthew Scully has created a groundbreaking work, a book of lasting power and importance for all of us.
Author: Frans B. M. DE WAAL
Publisher: Harvard University Press
ISBN: 0674033175
Category : Science
Languages : en
Pages : 369
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Book Description
To observe a dog's guilty look. to witness a gorilla's self-sacrifice for a wounded mate, to watch an elephant herd's communal effort on behalf of a stranded calf--to catch animals in certain acts is to wonder what moves them. Might there he a code of ethics in the animal kingdom? Must an animal be human to he humane? In this provocative book, a renowned scientist takes on those who have declared ethics uniquely human Making a compelling case for a morality grounded in biology, he shows how ethical behavior is as much a matter of evolution as any other trait, in humans and animals alike. World famous for his brilliant descriptions of Machiavellian power plays among chimpanzees-the nastier side of animal life--Frans de Waal here contends that animals have a nice side as well. Making his case through vivid anecdotes drawn from his work with apes and monkeys and holstered by the intriguing, voluminous data from his and others' ongoing research, de Waal shows us that many of the building blocks of morality are natural: they can he observed in other animals. Through his eyes, we see how not just primates but all kinds of animals, from marine mammals to dogs, respond to social rules, help each other, share food, resolve conflict to mutual satisfaction, even develop a crude sense of justice and fairness. Natural selection may be harsh, but it has produced highly successful species that survive through cooperation and mutual assistance. De Waal identifies this paradox as the key to an evolutionary account of morality, and demonstrates that human morality could never have developed without the foundation of fellow feeling our species shares with other animals. As his work makes clear, a morality grounded in biology leads to an entirely different conception of what it means to he human--and humane.
Author: Colin G. Scanes
Publisher: Academic Press
ISBN: 0128054387
Category : Medical
Languages : en
Pages : 542
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Book Description
Animals and Human Society provides a solid, scientific, research-based background to advance understanding of how animals impact humans. Animals have had profound effects on people from the earliest times, ranging from zoonotic diseases, to the global impact of livestock, poultry and fish production, to the influences of human-associated animals on the environment (on extinctions, air and water pollution, greenhouse gases, etc.), to the importance of animals in human evolution and hunter -gatherer communities.As a resource for both science and non-science, Animals and Human Society can be used as a text for courses in Animals and Human Society or Animal Science, or as supplemental material for Introduction to Animal Science. It offers foundational background to those who may have little background in animal agriculture and have focused interest on companion animals and horses. The work introduces livestock production (including poultry and aquaculture) but also includes coverage of companion and lab animals. In addition, animal behavior and animal perception are covered.Animals and Human Society is likewise an excellent resource for researchers, academics, or students newly entering a related field or coming from another discipline and needing foundational information, as well as interested laypersons looking to augment their knowledge on the many impacts of animals in human society. - Features research-based and pedagogically sound content, with learning goals and textboxes to provide key information - Challenges readers to consider issues based on facts rather than polemics - Poses ethical questions and raises overall societal impacts - Balances traditional animal science with companion animals, animal biology, zoonotic diseases, animal products, environmental impacts and all aspects of human/animal interaction
Author: Hartley Harrad Thompson Jackson
Publisher: Univ of Wisconsin Press
ISBN: 9780299021504
Category : Nature
Languages : en
Pages : 532
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Book Description
"There is little doubt that this book will be considered the standard reference work in Wisconsin for generations."--The Science Teacher Today, it is indeed the standard work in its field--the most comprehensive, useful, and enjoyable mammal guide for the entire North Central States region.
Author: Charles Thibault
Publisher:
ISBN:
Category : Human reproduction
Languages : en
Pages : 812
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Book Description
Author: Joseph F. Merritt
Publisher: JHU Press
ISBN: 0801879507
Category : Biography & Autobiography
Languages : en
Pages : 334
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Book Description
Animals of this size face different physiological and ecological challenges than larger mammals.
Author: Claus Jessen
Publisher: Springer Science & Business Media
ISBN: 3642594611
Category : Science
Languages : en
Pages : 202
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Book Description
How do mammals manage to maintain their body temperature within the same narrow range in environments as different as polar regions and hot deserts? This advanced text describes the morphological features and physiological mechanisms by which humans and other mammals maintain their body temperature within a narrow range despite large variations in climatic conditions and internal heat production. Its 19 chapters deal with the physics of heat exchange with the environment, and the autonomic and behavioural mechanisms available to control the loss and production of heat. The neuronal basis of temperature regulation and current concepts of the central nervous interface between temperature signals generated in the body and control mechanisms are examined in detail. This book is of invaluable help for undergraduates, postgraduates, teachers, physicians and scientists.
Author: Zofia Kielan-Jaworowska
Publisher: Indiana University Press
ISBN: 0253008247
Category : Science
Languages : en
Pages : 282
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Book Description
“Mesozoic mammal fossils are the focus of this fascinating book, which reviews both the fossils themselves and the history of their discovery.” —Choice In Pursuit of Early Mammals presents the history of the mammals that lived during the Mesozoic era, the time when dinosaurs ruled the Earth, and describes their origins, anatomy, systematics, paleobiology, and distribution. It also tells the story of the author, a world-renowned specialist on these animals, and the other prominent paleontologists who have studied them. Zofia Kielan-Jaworowska was the first woman to lead large-scale paleontological expeditions, including eight to the Gobi Desert in Mongolia, which brought back important collections of dinosaur, early mammal, and other fossils. She shares the difficulties and pleasures encountered in finding rare fossils and describes the changing views on early mammals made possible by these discoveries. “A thorough review of the current state of early mammalian paleontology presented through the unique historical filter of someone who was at the foremost of the field for over half a century.” —The Quarterly Review of Biology “Whether she’s talking about how mammals evolved their distinctive ear bones, or how she built a cabin out of plywood during a particularly cold field season in the Gobi, you know that a remarkable, passionate person is telling a story of science and adventure in her own words.” —Priscum “A fascinating window into the development of the field . . . The perspective of an individual at the center of these developments is captivating, informative, and has never before been published.” —Gregory P. Wilson, University of Washington
