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Origins of metazoan body plans: the larval revolution

Rudolf A. Raff

in Animal Evolution: Genomes, Fossils, and Trees

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199549429
eISBN:
9780191721601
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199549429.003.0005
Subject:
Biology, Evolutionary Biology / Genetics, Developmental Biology

Bilaterian animal body plan origins are generally thought about in terms of adult forms. However, most animals have larvae with body plans, ontogenies, and ecologies distinct from their adults. The ... More


Molecular genetic insights into deuterostome evolution from the direct-developing hemichordate Saccoglossus kowalevskii

Christopher J. Lowe

in Animal Evolution: Genomes, Fossils, and Trees

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199549429
eISBN:
9780191721601
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199549429.003.0010
Subject:
Biology, Evolutionary Biology / Genetics, Developmental Biology

Progress in developmental biology, phylogenomics, and palaeontology over the past five years has made major contributions to a long-enduring problem in comparative biology: the early origins of the ... More


A Conceptual Roadmap to Homology

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter proposes a conceptual roadmap to homology, with the goal of supporting the research program of developmental evolution that seeks to explain the patterns of phenotypic diversity. It ... More


The unity of type: ancient homologies in the genome

Antonio Fontdevila

in The Dynamic Genome: A Darwinian Approach

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199541379
eISBN:
9780191728532
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199541379.003.0002
Subject:
Biology, Evolutionary Biology / Genetics, Developmental Biology

The controversy on the ‘unity of type’, exploited as an antievolutionist argument and based on the difficulty of revealing ancient homologies, is introduced using a historical approach. First the ... More


Introduction: What This Book Aims to Do and What It Is Not

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

This book examines homology, the correspondence of characters from different species or even within the same organism, from a mechanistic perspective. Homology is explained by derivation from a ... More


The Small Picture Approach to the Big Picture: Using DNA Sequences to Investigate the Diversification of Animal Body Plans

Lindell Bromham

in The Major Transitions in Evolution Revisited

Published in print:
2011
Published Online:
August 2013
ISBN:
9780262015240
eISBN:
9780262295703
Item type:
chapter
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262015240.003.0014
Subject:
Biology, Evolutionary Biology / Genetics

This chapter is concerned with the Cambrian explosion. It considers only one particular kind of explanation for the Cambrian radiation: that major innovations in animal body plan were produced from ... More


The need for, and often conflicting issues of, osmoregulation and volume regulation The need for, and often conflicting issues of, osmoregulation and volume regulation

Timothy J. Bradley

in Animal Osmoregulation

Published in print:
2008
Published Online:
April 2010
ISBN:
9780198569961
eISBN:
9780191728273
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198569961.003.0004
Subject:
Biology, Animal Biology

If differences in the activity of water exist across a semi-permeable membrane, movement of water by osmosis will result. Cells, and indeed entire organisms, must therefore regulate the activity of ... More


Comments on Crustacean Biodiversity and Disparity of Body Plans

Frederick R. Schram

in Functional Morphology and Diversity

Published in print:
2013
Published Online:
May 2015
ISBN:
9780195398038
eISBN:
9780190267780
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780195398038.003.0001
Subject:
Biology, Animal Biology

The science of natural history is built on twin pillars: cataloging the species found in nature, and reflecting on the variety and function of body plans into which these species fit. We often use ... More


Quantitative Shifts and Correlated Change

Mary Jane West-Eberhard

in Developmental Plasticity and Evolution

Published in print:
2003
Published Online:
November 2020
ISBN:
9780195122343
eISBN:
9780197561300
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195122343.003.0022
Subject:
Earth Sciences and Geography, Palaeontology: Earth Sciences

Preceding chapters have discussed evolutionary transitions as changes in the expression of discrete, modular traits. This chapter discusses transitions ... More


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