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Development of sexual size dimorphism in lizards: testosterone as a bipotential growth regulator

Henry B. John-Alder and Robert M. Cox

in Sex, Size and Gender Roles: Evolutionary Studies of Sexual Size Dimorphism

Published in print:
2007
Published Online:
September 2007
ISBN:
9780199208784
eISBN:
9780191709036
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199208784.003.0022
Subject:
Biology, Animal Biology

Sexual size dimorphism (SSD) is widespread in lizards but little is known about why males are larger than females in most species, while the opposite is true in many others. This chapter presents ... More


Lizards as Predators

Eric R. Pianka and Laurie J. Vitt

in Lizards: Windows to the Evolution of Diversity

Published in print:
2003
Published Online:
March 2012
ISBN:
9780520234017
eISBN:
9780520939912
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520234017.003.0003
Subject:
Biology, Animal Biology

Striking variation exists among lizards in the kinds of things they eat. A few lizards are herbivorous, most feed on other animals and swallow them whole, and insectivorous lizards attack dozens if ... More


Iguanians

Eric R. Pianka and Laurie J. Vitt

in Lizards: Windows to the Evolution of Diversity

Published in print:
2003
Published Online:
March 2012
ISBN:
9780520234017
eISBN:
9780520939912
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520234017.003.0008
Subject:
Biology, Animal Biology

This chapter discusses the morphology, phylogenetic relationships, distribution, and evolutionary history of iguanians. The Iguania is the sister taxon to all other lizards and contains three ... More


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