Chapter

Speciation and Geographic Differentiation

Jonathan B. Losos

in Lizards in an Evolutionary Tree

Published by University of California Press

Published in print August 2009 | ISBN: 9780520255913
Published online March 2012 | e-ISBN: 9780520943735 | DOI: http://dx.doi.org/10.1525/california/9780520255913.003.0014
Speciation and Geographic Differentiation

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This chapter discusses the role of speciation in adaptive radiation of anoles and then examines the geographical context of anole speciation, beginning by discussing the mechanistic approaches to the study of speciation. It examines the evolution of species-recognition signals that are involved in reproductive isolation in anoles—head-bobbing patterns and dewlap configuration—and also explores intraspecific divergence and anole species distributions in a phylogenetic context.

Keywords: speciation; adaptive radiation; species-recognition signals; reproductive isolation; head-bobbing patterns; dewlap; intraspecific divergence

Chapter.  11113 words.  Illustrated.

Subjects: Evolutionary Biology

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