The Mechanism Of Evolution
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The Mechanism Of Evolution
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Author : Wilfrid Hogarth Dowdeswell
language : en
Publisher: Heinemann Educational Publishers
Release Date : 1975
The Mechanism Of Evolution written by Wilfrid Hogarth Dowdeswell and has been published by Heinemann Educational Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Evolution categories.
Selection
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Author : Graham Bell
language : en
Publisher: OUP Oxford
Release Date : 2008-12-18
Selection written by Graham Bell and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-18 with Science categories.
This book adopts an experimental approach to understanding the mechanisms of evolution and the nature of evolutionary processes, with examples drawn from microbial, plant and animal systems. It incorporates insights from remarkable recent advances in theoretical modelling, and the fields of molecular genetics and environmental genomics. Adaptation is caused by selection continually winnowing the genetic variation created by mutation. In the last decade, our knowledge of how selection operates on populations in the field and in the laboratory has increased enormously, and the principal aim of this book is to provide an up-to-date account of selection as the principal agent of evolution. In the classical Fisherian model, weak selection acting on many genes of small effect over long periods of time is responsible for driving slow and gradual change. However, it is now clear that adaptation in laboratory populations often involves strong selection acting on a few genes of large effect, while in the wild selection is often strong and highly variable in space and time. Indeed these results are changing our perception of how evolutionary change takes place. This book summarizes our current understanding of the causes and consequences of selection, with an emphasis on quantitative and experimental studies. It includes the latest research into experimental evolution, natural selection in the wild, artificial selection, selfish genetic elements, selection in social contexts, sexual selection, and speciation.
Mechanisms Of Evolution
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Author : Christopher J. Paradise
language : en
Publisher:
Release Date : 2016-04-27
Mechanisms Of Evolution written by Christopher J. Paradise and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-27 with Science categories.
Three of the four major mechanisms of evolution, natural selection, genetic drift, and gene flow are examined. There are 5 tenets of natural selection that influence individual organisms: Individuals within populations are variable, that variation is heritable, organisms differ in their ability to survive and reproduce, more individuals are produced in a generation than can survive, and survival & reproduction of those variable individuals are non-random. Organisms respond evolutionarily to changes in their environment and other selection pressures, including global climate change. The importance of spatial structure of a population in relation to how it affects the strength of gene flow and/or genetic drift, as well as the genetic variation and evolution of populations, is shown. Gene flow tends to reduce variation between populations and increase it within populations, whereas genetic drift tends to reduce genetic variation, especially in small, isolated populations. The mechanisms of evolution can lead to speciation, which requires both time and genetic isolation of populations, in addition to natural selection or genetic drift.
The Basics Of Selection
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Author : Graham Bell
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Basics Of Selection written by Graham Bell and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This new textbook for students taking courses in evolution is addressed to one of the most difficult questions evolutionary biology, that of selection. Covering both artificial and natural selection, the author has written a short, readable text that will appeal to students and professionals alike. how the nature of the process determines the nature of evolutionary change.
The Adaptive Seascape
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Author : David J. Merrell
language : en
Publisher: U of Minnesota Press
Release Date : 1994
The Adaptive Seascape written by David J. Merrell and has been published by U of Minnesota Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.
Based on observational and experimental data, in natural populations of plants and animals studied in the field and in the laboratory, this perspective unravels the hidden and often poorly founded assumptions underlying some of the more troublesome controversies in evolutionary biology today
Evolution
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Author : David Zeigler
language : en
Publisher: Academic Press
Release Date : 2014-04-14
Evolution written by David Zeigler and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-14 with Science categories.
Evolution: Components and Mechanisms introduces the many recent discoveries and insights that have added to the discipline of organic evolution, and combines them with the key topics needed to gain a fundamental understanding of the mechanisms of evolution. Each chapter covers an important topic or factor pertinent to a modern understanding of evolutionary theory, allowing easy access to particular topics for either study or review. Many chapters are cross-referenced. Modern evolutionary theory has expanded significantly within only the past two to three decades. In recent times the definition of a gene has evolved, the definition of organic evolution itself is in need of some modification, the number of known mechanisms of evolutionary change has increased dramatically, and the emphasis placed on opportunity and contingency has increased. This book synthesizes these changes and presents many of the novel topics in evolutionary theory in an accessible and thorough format. This book is an ideal, up-to-date resource for biologists, geneticists, evolutionary biologists, developmental biologists, and researchers in, as well as students and academics in these areas and professional scientists in many subfields of biology. Discusses many of the mechanisms responsible for evolutionary change Includes an appendix that provides a brief synopsis of these mechanisms with most discussed in greater detail in respective chapters Aids readers in their organization and understanding of the material by addressing the basic concepts and topics surrounding organic evolution Covers some topics not typically addressed, such as opportunity, contingency, symbiosis, and progress
The Mechanism Of Evolution Third Edition
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Author : Wilfrid Hogarth Dowdeswell
language : en
Publisher:
Release Date : 1963
The Mechanism Of Evolution Third Edition written by Wilfrid Hogarth Dowdeswell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
The Mechanism Of Evolution In The Light Of Heredity And Development
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Author : Edwin Grant Conklin
language : en
Publisher:
Release Date : 1920
The Mechanism Of Evolution In The Light Of Heredity And Development written by Edwin Grant Conklin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1920 with Evolution categories.
Evolutionary Biology Exobiology And Evolutionary Mechanisms
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Author : Pierre Pontarotti
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-03
Evolutionary Biology Exobiology And Evolutionary Mechanisms written by Pierre Pontarotti and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-03 with Science categories.
This book presents 19 selected contributions to the 16th Evolutionary Biology Meeting, which took place in September 2012 in Marseilles. The aims of these annual meetings, which gather together leading evolutionary biologists and other scientists, are to promote the exchange of ideas and to encourage interdisciplinary collaborations. The first chapter deals with the history of a great discovery: The first experiments on ascidian and sea urchin egg fertilization. The remaining contributions are grouped under the following categories: · Evolutionary biology concepts · Exobiology and the origin of life · Evolutionary mechanisms Offering an up-to-date overview of recent findings in the field of evolutionary biology, this book is an invaluable source of information for scientists, teachers and advanced students.
Concepts Of Biology
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Author : Samantha Fowler
language : en
Publisher:
Release Date : 2018-01-07
Concepts Of Biology written by Samantha Fowler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-07 with Science categories.
Concepts of Biology is designed for the single-semester introduction to biology course for non-science majors, which for many students is their only college-level science course. As such, this course represents an important opportunity for students to develop the necessary knowledge, tools, and skills to make informed decisions as they continue with their lives. Rather than being mired down with facts and vocabulary, the typical non-science major student needs information presented in a way that is easy to read and understand. Even more importantly, the content should be meaningful. Students do much better when they understand why biology is relevant to their everyday lives. For these reasons, Concepts of Biology is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand.We also strive to show the interconnectedness of topics within this extremely broad discipline. In order to meet the needs of today's instructors and students, we maintain the overall organization and coverage found in most syllabi for this course. A strength of Concepts of Biology is that instructors can customize the book, adapting it to the approach that works best in their classroom. Concepts of Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand--and apply--key concepts.