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A Biomechanical Perspective on the Use of Forelimb Length as a Measure of Sexual Selection in Frogs by Sharon B. Emerson is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract Differences in forelimb length between male and female frogs and between amplexing and non‐amplexing males have been interpreted to be the results of sexual selection on forelimb length. The causal feature of the forelimb that has been posited to cause such selection is the observation that non‐amplexing males attempt to disrupt breeding by prying amplexing males from females. A biomechanical model of forelimb function suggests that total length __per se__ may not be the most appropriate measure to use. There are more functionally significant aspects of forelimb morphology, such as lever arm lengths, that should influence amplexing ability and may make measures of overall forelimb length misleading. This example highlights the relevance of functional analysis to current questions in evolutionary biology that rely on postulated roles for morphological structures under selection.

Who reads A Biomechanical Perspective on the Use of Forelimb Length as a Measure of Sexual Selection in Frogs?

Author

Sharon B. Emerson

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Springer Science and Business Media LLC (ISSN 1010-061X)

Published

1991

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)