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Animal AthletesAn Ecological and Evolutionary Approach$
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Duncan J. Irschick and Timothy E. Higham

Print publication date: 2015

Print ISBN-13: 9780199296545

Published to Oxford Scholarship Online: January 2016

DOI: 10.1093/acprof:oso/9780199296545.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 09 March 2021

The ecology of performance I

The ecology of performance I

Studies of fitness

Chapter:
(p.24) 2 The ecology of performance I
Source:
Animal Athletes
Author(s):

Duncan J. Irschick

Timothy E. Higham

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199296545.003.0002

Animal performance traits are only important if they ultimately have a link to reproductive success. Any behavior, structure, or functional capacity that has no link to fitness will typically fail to be sustained within a population. This chapter discusses whether performance traits, as measured in a variety of ways, influence fitness. It begins by defining fitness and then goes on to discuss different reviews that have examined the question of whether morphological and performance traits are under natural selection and whether the intensity of selection differs among them. It also discusses a variety of individual case studies for how selection affects performance traits.

Keywords:   performance trait, behavior, review, fitness, natural selection

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