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Major Evolutionary Radiations

Major Evolutionary Radiations PDF Author: Paul D. Taylor
Publisher: Clarendon Press
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 464

Book Description
This unique volume takes a close look at patterns of evolutionary change responsible for the astounding diversity of life and the major radiations seen in many taxonomic groups. Evidence from the fossil record shows that this process has not occurred at an even rate. Rather, relatively short but highly active periods of evolution have yielded the multiplication of species and morphological divergences, such as the emergence of flowering plants during the late Cretaceous. The contributors to this work, all recognized authorities in their fields, discuss general aspects of major radiations, and then focus on evolution in taxonomic groups with ample fossil records. The book is an important complement to the literature of extinction and paleontology, and will be read with interest by paleontologists and evolutionary biologists alike.

Major Evolutionary Radiations

Major Evolutionary Radiations PDF Author: Paul D. Taylor
Publisher: Clarendon Press
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 464

Book Description
This unique volume takes a close look at patterns of evolutionary change responsible for the astounding diversity of life and the major radiations seen in many taxonomic groups. Evidence from the fossil record shows that this process has not occurred at an even rate. Rather, relatively short but highly active periods of evolution have yielded the multiplication of species and morphological divergences, such as the emergence of flowering plants during the late Cretaceous. The contributors to this work, all recognized authorities in their fields, discuss general aspects of major radiations, and then focus on evolution in taxonomic groups with ample fossil records. The book is an important complement to the literature of extinction and paleontology, and will be read with interest by paleontologists and evolutionary biologists alike.

Events of Increased Biodiversity

Events of Increased Biodiversity PDF Author: Pascal Neige
Publisher: Elsevier
ISBN: 0081004745
Category : Nature
Languages : en
Pages : 152

Book Description
The fossil record offers a surprising image: that of evolutionary radiations characterized by intense increases in cash or by the sudden diversification of a single species group, while others stagnate or die out. In a modern world, science carries an often pessimistic message, surrounded by studies of global warming and its effects, extinction crisis, emerging diseases and invasive species. This book fuels frequent "optimism" of the sudden increase in biodiversity by exploring this natural phenomenon. Events of Increased Biodiversity: Evolutionary Radiations in the Fossil Record explores this natural phenomenon of adaptive radiation including its effect on the increase in biodiversity events, their contribution to the changes and limitations in the fossil record, and examines the links between ecology and paleontology’s study of radiation. Details examples of evolutionary radiations Explicitly addresses the effect of adaptation driven by ecological opportunity Examines the link between ecology and paleontology’s study of adaptive radiation

Mammals

Mammals PDF Author: Thomas Stainforth Kemp
Publisher: Oxford University Press
ISBN: 0198766947
Category : Mammals
Languages : en
Pages : 169

Book Description
Relative newcomers within the story of evolution, mammals are hugely successful and have colonized land, water, and air. Tom Kemp discusses the great diversity of mammalian species, and looks at how their very disparate characteristics, physiologies, and behaviours are all largely driven by one uniting factor: endothermy, or warm-bloodedness.

The Largest Avian Radiation

The Largest Avian Radiation PDF Author: Jon Fjeldså
Publisher:
ISBN: 9788416728336
Category :
Languages : en
Pages : 445

Book Description
Based on the latest phylogenetic studies, this book reveals the remarkable new history of how passerines diversified and dispersed across the entire world.

The Ecology of Adaptive Radiation

The Ecology of Adaptive Radiation PDF Author: Dolph Schluter
Publisher: OUP Oxford
ISBN: 0191588326
Category :
Languages : en
Pages : 302

Book Description
Adaptive radiation is the evolution of diversity within a rapidly multiplying lineage. It can cause a single ancestral species to differentiate into an impressively vast array of species inhabiting a variety of environments. Much of life's diversity has arisen during adaptive radiations. Some of the most famous recent examples include the East African cichlid fishes, the Hawaiian silverswords, and of course, Darwin's Gal--aacute--;pagos finches,. This book evaluates the causes of adaptive radiation. It focuses on the 'ecological' theory of adaptive radiation, a body of ideas that began with Darwin and was developed through the early part of the 20th Century. This theory proposes that phenotypic divergence and speciation in adaptive radiation are caused ultimately by divergent natural selection arising from differences in environment and competition between species. In The Ecology of Adaptive Radiation the author re-evaluates the ecological theory, along with its most significant extensions and challenges, in the light of all the recent evidence. This important book is the first full exploration of the causes of adaptive radiation to be published for decades, written by one of the world's best young evolutionary biologists.

The Trace-Fossil Record of Major Evolutionary Events

The Trace-Fossil Record of Major Evolutionary Events PDF Author: M. Gabriela Mángano
Publisher: Springer
ISBN: 9401795975
Category : Science
Languages : en
Pages : 485

Book Description
This volume addresses major evolutionary changes that took place during the Mesozoic and the Cenozoic. These include discussions on major evolutionary radiations and ecological innovations on land and at sea, such as the Mesozoic marine revolution, the Mesozoic radiation of vertebrates, the Mesozoic lacustrine revolution, the Cenozoic radiation of mammals, the evolution of paleosol biotas, and the evolution of hominins. The roles of mass extinctions at the end of the Triassic and at the end of the Cretaceous are assessed. This volume set provides innovative reviews of the major evolutionary events in the history of life from an ichnologic perspective. Because the long temporal range of trace fossils has been commonly emphasized, biogenic structures have been traditionally overlooked in macroevolution. However, comparisons of ichnofaunas through geologic time do reveal the changing ecology of organism-substrate interactions. The use of trace fossils in evolutionary paleoecology represents a new trend that is opening a window for our understanding of major evolutionary radiations and mass extinctions. Trace fossils provide crucial evidence for the recognition of spatial and temporal patterns and processes associated with paleoecologic breakthroughs.

Lizards in an Evolutionary Tree

Lizards in an Evolutionary Tree PDF Author: Jonathan B. Losos
Publisher: Univ of California Press
ISBN: 0520269845
Category : Science
Languages : en
Pages : 528

Book Description
"In a book both beautifully illustrated and deeply informative, Jonathan Losos, a leader in evolutionary ecology, celebrates and analyzes the diversity of the natural world that the fascinating anoline lizards epitomize. Readers who are drawn to nature by its beauty or its intellectual challenges—or both—will find his book rewarding."—Douglas J. Futuyma, State University of New York, Stony Brook "This book is destined to become a classic. It is scholarly, informative, stimulating, and highly readable, and will inspire a generation of students."—Peter R. Grant, author of How and Why Species Multiply: The Radiation of Darwin's Finches "Anoline lizards experienced a spectacular adaptive radiation in the dynamic landscape of the Caribbean islands. The radiation has extended over a long period of time and has featured separate radiations on the larger islands. Losos, the leading active student of these lizards, presents an integrated and synthetic overview, summarizing the enormous and multidimensional research literature. This engaging book makes a wonderful example of an adaptive radiation accessible to all, and the lavish illustrations, especially the photographs, make the anoles come alive in one's mind."—David Wake, University of California, Berkeley "This magnificent book is a celebration and synthesis of one of the most eventful adaptive radiations known. With disarming prose and personal narrative Jonathan Losos shows how an obsession, beginning at age ten, became a methodology and a research plan that, together with studies by colleagues and predecessors, culminated in many of the principles we now regard as true about the origins and maintenance of biodiversity. This work combines rigorous analysis and glorious natural history in a unique volume that stands with books by the Grants on Darwin's finches among the most informed and engaging accounts ever written on the evolution of a group of organisms in nature."—Dolph Schluter, author of The Ecology of Adaptive Radiation

Feeding

Feeding PDF Author: Kurt Schwenk
Publisher: Elsevier
ISBN: 0080531636
Category : Science
Languages : en
Pages : 537

Book Description
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 Ecology of the Cambrian Radiation

The Ecology of the Cambrian Radiation PDF Author: A. Iu Zhuravlev
Publisher:
ISBN: 9780231106122
Category : Science
Languages : en
Pages : 525

Book Description
The Cambrian radiation was the explosive evolution of marine life that started 550,000,000 years ago. It ranks as one of the most important episodes in Earth history. This key event in the history of life on our planet changed the marine biosphere and its sedimentary environment forever, requiring a complex interplay of wide-ranging biologic and nonbiologic processes. The Ecology of the Cambrian Radiationoffers a comprehensive and surprising picture of the Earth at that ancient time. The book contains contributions from thirty-three authors hailing from ten countries and will be of interest to paleontologists, geologists, biologists, and other researchers interested in the global Earth-life system.

The Trace-Fossil Record of Major Evolutionary Events

The Trace-Fossil Record of Major Evolutionary Events PDF Author: M. Gabriela Mángano
Publisher: Springer
ISBN: 9401796009
Category : Science
Languages : en
Pages : 358

Book Description
This volume addresses major evolutionary changes that took place during the Ediacaran and the Paleozoic. These include discussions on the nature of Ediacaran ecosystems, as well as the ichnologic signature of evolutionary radiations, such as the Cambrian explosion and the Great Ordovician biodiversification event, the invasion of the land, and the end-Permian mass extinction. This volume set provides innovative reviews of the major evolutionary events in the history of life from an ichnologic perspective. Because the long temporal range of trace fossils has been commonly emphasized, biogenic structures have been traditionally overlooked in macroevolution. However, comparisons of ichnofaunas through geologic time do reveal the changing ecology of organism-substrate interactions. The use of trace fossils in evolutionary paleoecology represents a new trend that is opening a window for our understanding of major evolutionary radiations and mass extinctions. Trace fossils provide crucial evidence for the recognition of spatial and temporal patterns and processes associated with paleoecologic breakthroughs.