Chapter

Toward an Integrative Approach

J. G. M. Thewissen and Sirpa Nummela

in Sensory Evolution on the Threshold

Published by University of California Press

Published in print April 2008 | ISBN: 9780520252783
Published online March 2012 | e-ISBN: 9780520934122 | DOI: http://dx.doi.org/10.1525/california/9780520252783.003.0021
Toward an Integrative Approach

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This chapter presents an example of an integrative approach to the study of sensory evolution. It focuses on the sensory evolution of cetaceans, a group of mammals that moved from land to water during the Eocene. It describes the evolution of several sense organs for vision, hearing, balance, and mechanoreception. It concludes by suggesting that studying organ evolution integratively across all senses provides a better understanding of the evolution of the terrestrial to aquatic transition in tetrapods that have made this transition.

Keywords: sensory evolution; cetaceans; Eocene; vision; hearing; balance; mechanoreception; tetrapods

Chapter.  3874 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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