Chapter

Diversity of a Form

Wade C. Sherbrooke

in Introduction to Horned Lizards of North America

Published by University of California Press

Published in print August 2003 | ISBN: 9780520228252
Published online March 2012 | e-ISBN: 9780520926752 | DOI: http://dx.doi.org/10.1525/california/9780520228252.003.0003
Diversity of a Form

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This chapter focuses on the characteristics, evolutionary history, and historical distribution of horned lizards. It discusses adaptive radiation, an evolutionary process that enabled horned lizards to diversify into a number of closely related species of similar form. It is believed that the ancestral group of horned lizards separated into what later became a southern group of species (southern radiation) and a northern group of species (northern radiation).

Keywords: evolutionary history; historical distribution; horned lizards; adaptive radiation; southern radiation; northern radiation

Chapter.  2042 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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