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Developmental Plasticity And Evolution

Author: Mary Jane West-Eberhard
Publisher: Oxford University Press
ISBN: 9780195122350
Size: 46.49 MB
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West-Eberhard is widely recognized as one of the most incisive thinkers in evolutionary biology. This book assesses all the evidence for our current understanding of the role of changes in body plan and development for the process of speciation. The process of evolution is systematically reassessed to integrate the insights coming from developmental genetics. Every serious student of evolution, and a substantial share of developmental biologists and geneticists, will need to take note of this contribution. The timing is clearly ripe for the synthesis that this work will help bring about.

Developmental Plasticity

Author: Eugene Gollin
Publisher: Elsevier
ISBN: 0323157203
Size: 79.35 MB
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Developmental Plasticity: Behavioral and Biological Aspects of Variations in Development explores the behavioral and biological aspects of variations in development from a variety of theoretical viewpoints and research contexts. Topics covered include evolution and genetic variability; sensory bases of infant perception; and learning and ethology. The infancy of human learning processes is also discussed, along with epistemology and developmental psychology. Comprised of eight chapters, this book opens with a review of the broad evolutionary landscape and the specific genetic mechanisms implicated in biological and behavioral development. It then describes the sensory apparatus available to neonatal human beings and analyzes the similarities and differences between ethological theory and learning theory. Developmental plasticity is also examined in interdisciplinary contexts, while the acquisition of behavior patterns during early postnatal development is explored from a traditional learning theory point of view. The remaining chapters focus on the role played by asymmetry in general and by cerebral asymmetry in particular in the generation of individuality; cultural and biological instances of plasticity in development; and the barriers separating epistemology from developmental psychology and psycholinguistics. This monograph will be a useful resource for developmental psychologists and other professionals devoted to child development and learning, as well as those in the fields of genetics and behavioral and biological sciences.

Phenotypic Plasticity

Author: Massimo Pigliucci
Publisher: JHU Press
ISBN: 9780801867880
Size: 80.27 MB
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"The most comprehensive book on this topic. It provides both a solid basis for understanding the subject and an inspiring synthesis of the current state of the discipline." -- Nature

Developmental Plasticity Genetic Assimilation And The Evolutionary Diversification Of Sexual Expression In Solanum1

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Abstract : Premise of the study: For over a century, it has been hypothesized that selection can convert an environmentally induced phenotype (i.e., plasticity) into a fixed (constitutively produced) phenotype, a process known as genetic assimilation. While evidence of assimilation is accumulating, the role of plasticity generally and assimilation specifically in evolutionary diversification has rarely been examined from a comparative phylogenetic perspective. Methods: We combined experimental analyses of plasticity with ancestral state reconstructions to examine the evolutionary dynamics of sexual expression in two well‐characterized sections ( Acanthophora and Lasiocarpa ) in Solanum subgenus Leptostemonum . We examined sexual expression phenotypes and the proportion of staminate flowers produced under contrasting resource conditions in 10 species and combined these data with previous studies. Key results: Staminate flower production was phenotypically plastic for nine of 14 species and unaffected by treatment in five species. Two of the nonplastic species bore few staminate flowers, and three constitutively produced large numbers of staminate flowers. For individuals and species producing staminate flowers, these flowers occurred in a distinctive architectural pattern that was qualitatively the same in both plastic and nonplastic species. Parsimony and Bayesian reconstructions demonstrate that plasticity is ancestral among the species studied. Conclusions: Plasticity has been lost independently in sections Acanthophora and Lasiocarpa, and the consequence of its loss results in evolutionary diversification of sexual expression. In section Acanthophora, loss of plasticity represents a reversion to production of predominantly hermaphroditic flowers. In contrast, the fixed production of staminate flowers in Lasiocarpa has the hallmarks of evolution via genetic assimilation.

Plasticity Robustness Development And Evolution

Author: Patrick Bateson
Publisher: Cambridge University Press
ISBN: 113949628X
Size: 35.19 MB
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How do we understand and explain the apparent dichotomy between plasticity and robustness in the context of development? Can we identify these complex processes without resorting to 'either/or' solutions? Written by two leaders in the field, this is the first book to fully unravel the complexity of the subject, explaining that the epigenetic processes generating plasticity and robustness are in fact deeply intertwined. It identifies the different mechanisms that generate robustness and the various forms of plasticity, before considering the functional significance of the integrated mechanisms and how the component processes might have evolved. Finally, it highlights the ways in which epigenetic mechanisms could be instrumental in driving evolutionary change. Essential reading for biologists and psychologists interested in epigenetics and evolution, this book is also a valuable resource for biological anthropologists, sociobiologists, child psychologists and paediatricians.

Die Evolution Des Fliegens Ein Fotoshooting

Author: Georg Glaeser
Publisher: Springer-Verlag
ISBN: 3662498995
Size: 16.45 MB
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Dieser Band nimmt sie mit auf eine spannende Reise in Bildern und Texten. Spektakuläre, großformatige Fotos auf Doppelseiten mit einem Erklärungstext machen die Leser neugierig auf das, was die Evolution im Bereich des Fliegens hervorgebracht hat: von der pflanzlichen Luftflotte (Pollenkörner, Flugsamen,...) über fliegende Schlangen und Fische, unter Wasser fliegende Pinguine bis zum Menschen, der sich in die Lüfte erhebt. Das Buch kann in beliebiger Reihenfolge, Doppelseite für Doppelseite, gelesen werden. Querverweise sorgen für bequemes Umspringen auf andere Doppelseiten. Die Textpassagen sind zumeist - abgesehen von der fundierten Einleitung - unabhängig von einander und besprechen besondere Highlights im evolutionären Prozess. Ergänzt wird die Doppelseite mit Literaturhinweisen und Verweisen auf instruktive Internet-Seiten.

Development And Environment

Author: Warren Burggren
Publisher: Springer
ISBN: 3319759353
Size: 46.29 MB
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Rather than a loosely connected list of facts/topics, this book addresses virtually every field that involves the use of developing animals in environmental science. In doing so, it will help define the scientific collective within these fields to both those readers who are "outside" of a particular field (students and professionals alike) and those who work within said field, where multiple iterations of the same job description exist. Both the content and choice of authors fully support this goal, as the editors and contributing authors represent contemporary thought and experimentation in their respective fields – ranging from developmental physiology through environmental toxicology to medicine. As such, this work will appeal to a broad audience, including any scientist or trainee interested in the nexus of environment, development and physiology.

Intelligenzpr Fungen An Menschenaffen

Author: Wolfgang Köhler
Publisher: Springer-Verlag
ISBN: 3642475744
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Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfängen des Verlags von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv Quellen für die historische wie auch die disziplingeschichtliche Forschung zur Verfügung, die jeweils im historischen Kontext betrachtet werden müssen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.