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Fossil Species Lineages and Their Defining Traits: Taxonomic “Usefulness” and Evolutionary Modes

Melanie J. Hopkins and Scott Lidgard

in Species and Speciation in the Fossil Record

Published in print:
2016
Published Online:
May 2017
ISBN:
9780226377445
eISBN:
9780226377582
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226377582.003.0014
Subject:
Biology, Paleontology: Biology

A primary claim within the theory of punctuated equilibrium is that most fossil species exhibit morphological stasis. However, an often-overlooked critique of the theory is that the morphological ... More


Cryptic Diversity and Sexual Selection

Matthias Galipaud, Loïc Bollache, and Clément Lagrue

in Reproductive Biology: The Natural History of the Crustacea, Volume 6

Published in print:
2020
Published Online:
March 2021
ISBN:
9780190688554
eISBN:
9780197538272
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190688554.003.0016
Subject:
Biology, Animal Biology, Aquatic Biology

Recent advances in molecular and genetic techniques have revealed tremendous hidden genetic diversity in plants and animals. Crustaceans are no exception and, in fact, present one of the highest ... More


Continuous Within-Plant Variation of Reiterated Structures: The extent of subindividual variation in continuously varying leaf, flower, fruit, and seed traits is assessed.

Carlos M. Herrera

in Multiplicity in Unity: Plant Subindividual Variation and Interactions with Animals

Published in print:
2009
Published Online:
February 2013
ISBN:
9780226327938
eISBN:
9780226327952
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226327952.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter presents an overview of the within-plant variability of continuous structural and morphological traits of reiterated plant structures. It is found that all types of reiterated structures ... More


Sexual system genomics and speciation

Rob J. Kulathinal and Rama S. Singh

in Rapidly Evolving Genes and Genetic Systems

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199642274
eISBN:
9780191774751
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199642274.003.0027
Subject:
Biology, Evolutionary Biology / Genetics

Reproductive isolation between populations provides an efficient mechanism to generate diversity across time and space. This chapter presents an empirical framework that treats speciation as a ... More


Sexual selection and performance

Duncan J. Irschick and Timothy E. Higham

in Animal Athletes: An Ecological and Evolutionary Approach

Published in print:
2015
Published Online:
January 2016
ISBN:
9780199296545
eISBN:
9780191817489
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199296545.003.0008
Subject:
Biology, Animal Biology, Ecology

Sexually selected traits emerge typically as morphological traits that enhance reproduction by increasing the ability to compete for mates (typically through male competition) or the ability to ... More


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