Evolution And Diversity
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Evolution And The Diversity Of Life
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Author : Ernst Mayr
language : en
Publisher: Harvard University Press
Release Date : 1997
Evolution And The Diversity Of Life written by Ernst Mayr and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.
The diversity of living forms and the unity of evolutionary processes are the focus of these essays. The collection helps form much of the basis of contempoary undertanding of evolutionary biology.
The Diversity Of Life
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Author : Edward O. Wilson
language : en
Publisher: Harvard University Press
Release Date : 1992
The Diversity Of Life written by Edward O. Wilson and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Nature categories.
View a collection of videos on Professor Wilson entitled "On the Relation of Science and the Humanities" "In the Amazon Basin the greatest violence sometimes begins as a flicker of light beyond the horizon. There in the perfect bowl of the night sky, untouched by light from any human source, a thunderstorm sends its premonitory signal and begins a slow journey to the observer, who thinks: the world is about to change." Watching from the edge of the Brazilian rain forest, witness to the sort of violence nature visits upon its creatures, Edward O. Wilson reflects on the crucible of evolution, and so begins his remarkable account of how the living world became diverse and how humans are destroying that diversity. Wilson, internationally regarded as the dean of biodiversity studies, conducts us on a tour through time, traces the processes that create new species in bursts of adaptive radiation, and points out the cataclysmic events that have disrupted evolution and diminished global diversity over the past 600 million years. The five enormous natural blows to the planet (such as meteorite strikes and climatic changes) required 10 to 100 million years of evolutionary repair. The sixth great spasm of extinction on earth--caused this time entirely by humans--may be the one that breaks the crucible of life. Wilson identifies this crisis in countless ecosystems around the globe: coral reefs, grasslands, rain forests, and other natural habitats. Drawing on a variety of examples such as the decline of bird populations in the United States, the extinction of many species of freshwater fish in Africa and Asia, and the rapid disappearance of flora and fauna as the rain forests are cut down, he poignantly describes the death throes of the living world's diversity--projected to decline as much as 20 percent by the year 2020. All evidence marshaled here resonates through Wilson's tightly reasoned call for a spirit of stewardship over the world's biological wealth. He makes a plea for specific actions that will enhance rather than diminish not just diversity but the quality of life on earth. Cutting through the tangle of environmental issues that often obscure the real concern, Wilson maintains that the era of confrontation between forces for the preservation of nature and those for economic development is over; he convincingly drives home the point that both aims can, and must, be integrated. Unparalleled in its range and depth, Wilson's masterwork is essential reading for those who care about preserving the world biological variety and ensuring our planet's health.
Evolution Of Biological Diversity
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Author : Anne E. Magurran
language : en
Publisher: Oxford University Press on Demand
Release Date : 1999
Evolution Of Biological Diversity written by Anne E. Magurran and has been published by Oxford University Press on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Science categories.
The astounding breadth of diversity of life on earth intrigues and amazes many people, while the future of world biodiversity is a cause for widespread concern. Within the current context of global interest in biological diversity, this is a timely review of the most recent research into theevolutionary origins of biological diversity and the processes of speciation, from a stellar cast of contributors. Recent studies have discovered considerable genetic and morphological variation both between and within populations of the same species. Yet the relation between this intraspecificvariation and the processes of speciation remains poorly understood. When, how, and why do new species arise? The chapters in this book explore the question of how variation arises within species; some emphasize the ecological and behavioural basis of differentiation; others argue for the role ofnatural selection in generating speciation. Several chapters focus on the important emerging links between sexual selection, sexual conflict, and population differentiation. The final chapters of the book take a broader perspective on the question, and explore the fossil record for data on theorigination of species diversity - and extinctions - in the past. This book is a must-have for all researchers and graduate students in the biological sciences who want to be abreast of the latest thinking on the evolution of biological diversity.
Evolution
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Author : Jonathan Bard
language : en
Publisher: CRC Press
Release Date : 2021-12-31
Evolution written by Jonathan Bard and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-31 with Science categories.
Evolution is the single unifying principle of biology and core to everything in the life sciences. More than a century of work by scientists from across the biological spectrum has produced a detailed history of life across the phyla and explained the mechanisms by which new species form. This textbook covers both this history and the mechanisms of speciation; it also aims to provide students with the background needed to read the research literature on evolution. Students will therefore learn about cladistics, molecular phylogenies, the molecular-genetical basis of evolutionary change including the important role of protein networks, symbionts and holobionts, together with the core principles of developmental biology. The book also includes introductory appendices that provide background knowledge on, for example, the diversity of life today, fossils, the geology of Earth and the history of evolutionary thought. Key Features Summarizes the origins of life and the evolution of the eukaryotic cell and of Urbilateria, the last common ancestor of invertebrates and vertebrates. Reviews the history of life across the phyla based on the fossil record and computational phylogenetics. Explains evo-devo and the generation of anatomical novelties. Illustrates the roles of small populations, genetic drift, mutation and selection in speciation. Documents human evolution using the fossil record and evidence of dispersal across the world leading to the emergence of modern humans.
The Nature Of Diversity
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Author : Daniel R. Brooks
language : en
Publisher: University of Chicago Press
Release Date : 2012-04-26
The Nature Of Diversity written by Daniel R. Brooks 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 2012-04-26 with Science categories.
All living things on earth—from individual species to entire ecosystems—have evolved through time, and evolution is the acknowledged framework of modern biology. Yet many areas of biology have moved from a focus on evolution to much narrower perspectives. Daniel R. Brooks and Deborah A. McLennan argue that it is impossible to comprehend the nature of life on earth unless evolution—the history of organisms—is restored to a central position in research. They demonstrate how the phylogenetic approach can be integrated with ecological and behavioral studies to produce a richer and more complete picture of evolution. Clearly setting out the conceptual, methodological, and empirical foundations of their research program, Brooks and McLennan show how scientists can use it to unravel the evolutionary history of virtually any characteristic of any living thing, from behaviors to ecosystems. They illustrate and test their approach with examples drawn from a wide variety of species and habitats. The Nature of Diversity provides a powerful new tool for understanding, documenting, and preserving the world's biodiversity. It is an essential book for biologists working in evolution, ecology, behavior, conservation, and systematics. The argument in The Nature of Diversity greatly expands upon and refines the arguments made in the authors' previous book Phylogeny, Ecology, and Behavior.
The Diversity And Evolution Of Plants
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Author : Lorentz C. Pearson
language : en
Publisher: CRC Press
Release Date : 1995-03-23
The Diversity And Evolution Of Plants written by Lorentz C. Pearson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-03-23 with Science categories.
This exciting new textbook examines the concepts of evolution as the underlying cause of the rich diversity of life on earth-and our danger of losing that rich diversity. Written as a college textbook, The Diversity and Evolution of Plants introduces the great variety of life during past ages, manifested by the fossil record, using a new natural classification system. It begins in the Proterozoic Era, when bacteria and bluegreen algae first appeared, and continues through the explosions of new marine forms in the Helikian and Hadrynian Periods, land plants in the Devonian, and flowering plants in the Cretaceous. Following an introduction, the three subkingdoms of plants are discussed. Each chapter covers one of the eleven divisions of plants and begins with an interesting vignette of a plant typical of that division. A section on each of the classes within the division follows. Each section describes where the groups of plants are found and their distinguishing features. Discussions in each section include phylogeny and classification, general morphology, and physiology, ecological significance, economic uses, and potential for research. Suggested readings and student exercises are found at the end of each chapter.
Biology Volume 2 Evolution Diversity And Ecology
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Author : Peter Raven
language : en
Publisher: McGraw-Hill Science/Engineering/Math
Release Date : 2013-02-04
Biology Volume 2 Evolution Diversity And Ecology written by Peter Raven and has been published by McGraw-Hill Science/Engineering/Math this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-04 with Science categories.
Diversity Freedom And Evolution
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Author : William Magnusson
language : en
Publisher: Cambridge Scholars Publishing
Release Date : 2019-03-22
Diversity Freedom And Evolution written by William Magnusson and has been published by Cambridge Scholars Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-22 with Science categories.
Science is responsible for most of the miracles that define modern life. This leads to the disconcerting situation where need and belief are in conflict. There is an enormous literature about science and evolution in particular, but all previous authors have missed the point that evolution gives us basic tenets that are not situation- or culture-dependent. This book shows that the potential for evolution is based on the tenets of diversity and freedom, which also underlie most of the ethical and moral values that people cherish, whatever their beliefs. Those values can apply to everything that has evolved or will evolve, whether they are humans, other organisms, machines or memes. There is potential for all people who believe in the power of evolution, whether they link that to other spiritual beliefs or not, to unite in a congregation of evolutionists. This will not only help reduce present-day conflicts; it will also be important in the future when we have to face other challenges, such as machine self-awareness. Evolution has made humans not only self-aware, but aware of the universe. As they are a part of the universe, that means that the universe is self-aware in the same sense as any other entity is self-aware, and this gives enormous potential to change the future that mainline physicists tell us will be dark and dead.
The Evolution Of Cultural Diversity
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Author : Ruth Mace
language : en
Publisher: Routledge
Release Date : 2016-09-16
The Evolution Of Cultural Diversity written by Ruth Mace and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-16 with Social Science categories.
Virtually all aspects of human behavior show enormous variation both within and between cultural groups, including material culture, social organization and language. Thousands of distinct cultural groups exist: about 6,000 languages are spoken today, and it is thought that a far greater number of languages existed in the past but became extinct. Using a Darwinian approach, this book seeks to explain this rich cultural variation. There are a number of theoretical reasons to believe that cultural diversification might be tree-like, that is phylogenetic: material and non-material culture is clearly inherited by descendants, there is descent with modification, and languages appear to be hierarchically related. There are also a number of theoretical reasons to believe that cultural evolution is not tree-like: cultural inheritance is not Mendelian and can indeed be vertical, horizontal or oblique, evidence of borrowing abounds, cultures are not necessarily biological populations and can be transient and complex. Here, for the first time, this title tackles these questions of cultural evolution empirically and quantitatively, using a range of case studies from Africa, the Pacific, Europe, Asia and America. A range of powerful theoretical tools developed in evolutionary biology is used to test detailed hypotheses about historical patterns and adaptive functions in cultural evolution. Evidence is amassed from archaeological, linguist and cultural datasets, from both recent and historical or pre-historical time periods. A unifying theme is that the phylogenetic approach is a useful and powerful framework, both for describing the evolutionary history of these traits, and also for testing adaptive hypotheses about their evolution and co-evolution. Contributors include archaeologists, anthropologists, evolutionary biologists and linguists, and this book will be of great interest to all those involved in these areas.
The Evolution Of Modern Human Diversity
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Author : Marta Mirazón Lahr
language : en
Publisher: Cambridge University Press
Release Date : 1996-05-30
The Evolution Of Modern Human Diversity written by Marta Mirazón Lahr 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 1996-05-30 with Medical categories.
Investigates the two main theories of how and where humans evolved.