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Author: Warren D. Allmon Publisher: University of Chicago Press ISBN: 022637758X Category : Science Languages : en Pages : 434
Book Description
Although the species is one of the fundamental units of biological classification, there is remarkably little consensus among biologists about what defines a species, even within distinct sub-disciplines. The literature of paleobiology, in particular, is littered with qualifiers and cautions about applying the term to the fossil record or equating such species with those recognized among living organisms. In Species and Speciation in the Fossil Record, experts in the field examine how they conceive of species of fossil animals and consider the implications these different approaches have for thinking about species in the context of macroevolution. After outlining views of the Modern Synthesis of evolutionary disciplines and detailing the development within paleobiology of quantitative methods for documenting and analyzing variation within fossil assemblages, contributors explore the challenges of recognizing and defining species from fossil specimens—and offer potential solutions. Addressing both the tempo and mode of speciation over time, they show how with careful interpretation and a clear species concept, fossil species may be sufficiently robust for meaningful paleobiological analyses. Indeed, they demonstrate that the species concept, if more refined, could unearth a wealth of information about the interplay between species origins and extinctions, between local and global climate change, and greatly deepen our understanding of the evolution of life.
Author: Warren D. Allmon Publisher: University of Chicago Press ISBN: 022637758X Category : Science Languages : en Pages : 434
Book Description
Although the species is one of the fundamental units of biological classification, there is remarkably little consensus among biologists about what defines a species, even within distinct sub-disciplines. The literature of paleobiology, in particular, is littered with qualifiers and cautions about applying the term to the fossil record or equating such species with those recognized among living organisms. In Species and Speciation in the Fossil Record, experts in the field examine how they conceive of species of fossil animals and consider the implications these different approaches have for thinking about species in the context of macroevolution. After outlining views of the Modern Synthesis of evolutionary disciplines and detailing the development within paleobiology of quantitative methods for documenting and analyzing variation within fossil assemblages, contributors explore the challenges of recognizing and defining species from fossil specimens—and offer potential solutions. Addressing both the tempo and mode of speciation over time, they show how with careful interpretation and a clear species concept, fossil species may be sufficiently robust for meaningful paleobiological analyses. Indeed, they demonstrate that the species concept, if more refined, could unearth a wealth of information about the interplay between species origins and extinctions, between local and global climate change, and greatly deepen our understanding of the evolution of life.
Author: Douglas H. Erwin Publisher: Columbia University Press ISBN: 9780231082488 Category : Science Languages : en Pages : 542
Book Description
A collection of case studies that seeks to reexamine the understanding of the speciation patterns that appear in the fossil record through an analysis of the patterns and their presumed processes. In each case, the rigorous techniques of morphological analysis, quantitative genetic analysis, phylogenetic analysis, and sedimentary completeness have been employed.
Author: William H. Kimbel Publisher: Springer Science & Business Media ISBN: 1489937455 Category : Science Languages : en Pages : 561
Book Description
A world of categones devmd of spirit waits for life to return. Saul Bellow, Humboldt's Gift The stock-in-trade of communicating hypotheses about the historical path of evolution is a graphical representation called a phylogenetic tree. In most such graphics, pairs of branches diverge from other branches, successively marching across abstract time toward the present. To each branch is tied a tag with a name, a binominal symbol that functions as does the name given to an individual human being. On phylogenetic trees the names symbolize species. What exactly do these names signify? What kind of information is communicated when we claim to have knowledge of the following types? "Tetonius mathewzi was ancestral to Pseudotetonius ambiguus. " "The sample of fossils attributed to Homo habzlis is too variable to contain only one species. " "Interbreeding populations of savanna baboons all belong to Papio anubis. " "Hylobates lar and H. pileatus interbreed in zones of geographic overlap. " While there is nearly universal agreement that the notion of the speczes is fundamental to our understanding of how evolution works, there is a very wide range of opinion on the conceptual content and meaning of such particular statements regarding species. This is because, oddly enough, evolutionary biolo gists are quite far from agreement on what a species is, how it attains this status, and what role it plays in evolution over the long term.
Author: Niles Eldredge Publisher: White Lion Publishing ISBN: Category : Nature Languages : en Pages : 244
Book Description
In this fascinating exploration of the fossil record, Niles Eldredge overturns the traditional view of evolution as a slow and inevitable process, and he shows that lifeforms generally do not evolve to any significant degree until after massive extinction. This rhythm of life--a concept developed by Eldredge and Stephen Jay Gould known as punctuated equilibria in evolution-- is revealed by the fossilized remains of the earth's ancient flora and fauna. Distinguished photographer Murray Alcosser augments Eldredge's text with 160 luminous color plates illustrating more than 250 different fossil specimens. In this new paperback edition, Fossils becomes an accessible text with appeal to a broad audience, including natural history readers and students.
Author: Steven M. Stanley Publisher: ISBN: Category : Religion Languages : en Pages : 378
Book Description
"Not only is a wealth of evidence presented to support the model of punctuated equilibria, but Stanley's stream of refreshing insights into classic topics of evolution, such as living fossils, mass extinctions and adaptive radiations add further weight to the validity of the general model".--GEOLOGICAL MAGAZINE. "Overall, Stanley offers an imaginative treatment of almost every issue in macroevolution".--AMERICAN SCIENTIST. 192 illustrations.
Author: Alan H. Cheetham Publisher: University of Chicago Press ISBN: 0226389316 Category : Science Languages : en Pages : 416
Book Description
With all the recent advances in molecular and evolutionary biology, one could almost wonder why we need the fossil record. Molecular sequence data can resolve taxonomic relationships, experiments with fruit flies demonstrate evolution and development in real time, and field studies of Galapagos finches have provided the strongest evidence for natural selection ever measured in the wild. What, then, can fossils teach us that living organisms cannot? Evolutionary Patterns demonstrates the rich variety of clues to evolution that can be gleaned from the fossil record. Chief among these are the major trends and anomalies in species development revealed only by "deep time," such as periodic mass extinctions and species that remain unchanged in form for millions of years. Contributors explore modes of development, the tempo of speciation and extinction, and macroevolutionary patterns and trends. The result is an important contribution to paleobiology and evolutionary biology, and a spirited defense of the fossil record as a crucial tool for understanding evolution and development. The contributors are Ann F. Budd, Efstathia Bura, Leo W. Buss, Mike Foote, Jörn Geister, Stephen Jay Gould, Eckart Hâkansson, Jean-Georges Harmelin, Lee-Ann C. Hayek, Jeremy B. C. Jackson, Kenneth G. Johnson, Nancy Knowlton, Scott Lidgard, Frank K. McKinney, Daniel W. McShea, Ross H. Nehm, Beth Okamura, John M. Pandolfi, Paul D. Taylor, and Erik Thomsen.
Author: Warren D. Allmon Publisher: University of Chicago Press ISBN: 022637744X Category : Nature Languages : en Pages : 434
Book Description
The literature of paleobiology is brimming with qualifiers and cautions about using species in the fossil record, or equating such species with those recognized among living organisms. Species and Speciation in the Fossil Record digs through this literature and surveys the recent research on species in paleobiology. In these pages, experts in the field examine what they think species are - in their particular taxon of specialty or more generally in the fossil record. They also reflect on what the answers mean for thinking about species in macroevolution. The first step in this approach is an overview of the Modern Synthesis, and paleobiology’s development of quantitative ways of documenting and analyzing variation with fossil assemblages. Following that, this volume’s central chapters explore the challenges of recognizing and defining species from fossil specimens, and show how with careful interpretation and a clear species concept, fossil species may be sufficiently robust for meaningful paleobiological analyses. Tempo and mode of speciation over time are also explored, exhibiting how the concept of species, if more refined, can reveal enormous amounts about the interplay between species origins and extinction and local and global climate change.
Author: Andrew B. Smith Publisher: John Wiley & Sons ISBN: 1444313908 Category : Science Languages : en Pages : 233
Book Description
This new text sets out to establish the key role played by systematics in deciphering patterns of evolution from the fossil record. It begins by considering the nature of the species in the fossil record and then outlines recent advances in the methodology used to establish phylogenetics relationships, stressing why fossil evidence can be crucial. The way species are grouped into higher taxa, and how this affects their utility in evolutionary studies is also discussed. Because the fossil record abounds with sampling and preservational biases, the book emphasizes that observed patterns can rarely be taken at face value. It is argued that evolutionary trees, constructed from combining phylogenetic and biostratigraphic data, provide the best approach for investigating patterns of evolution through geologic time. The only integrated text covering the study of evolutionary patterns from a phylogenetic stance.
Author: Lisa Bartee Publisher: ISBN: 9781636350417 Category : Languages : en Pages :
Book Description
The Principles of Biology sequence (BI 211, 212 and 213) introduces biology as a scientific discipline for students planning to major in biology and other science disciplines. Laboratories and classroom activities introduce techniques used to study biological processes and provide opportunities for students to develop their ability to conduct research.
Author: Warren D. Allmon
Author: Warren D. Allmon
Author: Douglas H. Erwin
Author: William H. Kimbel
Author: Niles Eldredge
Author: 
Author: Steven M. Stanley
Author: Alan H. Cheetham
Author: Warren D. Allmon
Author: Andrew B. Smith
Author: Lisa Bartee