Contingency and determinism in replicated adaptive radiations of Island Lizards.

The vagaries of history lead to the prediction that repeated instances of evolutionary diversification will lead to disparate outcomes even if starting conditions are similar. We tested this proposition by examining the evolutionary radiation of Anolis lizards on the four islands of the Greater Anti...

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Main Authors: Losos, Jonathan., Jackman, Todd., Larson, Allan., Queiroz, Kevin., Rodriguez-Schettino, Lourdes.
Format: Villanova Faculty Authorship
Language:English
Published: 1998
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spelling Contingency and determinism in replicated adaptive radiations of Island Lizards.
Losos, Jonathan.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Rodriguez-Schettino, Lourdes.
The vagaries of history lead to the prediction that repeated instances of evolutionary diversification will lead to disparate outcomes even if starting conditions are similar. We tested this proposition by examining the evolutionary radiation of Anolis lizards on the four islands of the Greater Antilles. Morphometric analyses indicate that the same set of habitat specialists, termed ecomorphs, occurs on all four islands. Although these similar assemblages could result from a single evolutionary origin of each ecomorph, followed by dispersal or vicariance, phylogenetic analysis indicates that the ecomorphs originated independently on each island. Thus, adaptive radiation in similar environments can overcome historical contingencies to produce strikingly similar evolutionary outcomes.
1998
Villanova Faculty Authorship
vudl:177297
Science 279(5359), March 27, 1998, 2115-2118.
en
dc.title_txt_mv Contingency and determinism in replicated adaptive radiations of Island Lizards.
dc.creator_txt_mv Losos, Jonathan.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Rodriguez-Schettino, Lourdes.
dc.description_txt_mv The vagaries of history lead to the prediction that repeated instances of evolutionary diversification will lead to disparate outcomes even if starting conditions are similar. We tested this proposition by examining the evolutionary radiation of Anolis lizards on the four islands of the Greater Antilles. Morphometric analyses indicate that the same set of habitat specialists, termed ecomorphs, occurs on all four islands. Although these similar assemblages could result from a single evolutionary origin of each ecomorph, followed by dispersal or vicariance, phylogenetic analysis indicates that the ecomorphs originated independently on each island. Thus, adaptive radiation in similar environments can overcome historical contingencies to produce strikingly similar evolutionary outcomes.
dc.date_txt_mv 1998
dc.format_txt_mv Villanova Faculty Authorship
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dc.source_txt_mv Science 279(5359), March 27, 1998, 2115-2118.
dc.language_txt_mv en
author Losos, Jonathan.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Rodriguez-Schettino, Lourdes.
spellingShingle Losos, Jonathan.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Rodriguez-Schettino, Lourdes.
Contingency and determinism in replicated adaptive radiations of Island Lizards.
author_facet Losos, Jonathan.
Jackman, Todd.
Larson, Allan.
Queiroz, Kevin.
Rodriguez-Schettino, Lourdes.
dc_source_str_mv Science 279(5359), March 27, 1998, 2115-2118.
format Villanova Faculty Authorship
author_sort Losos, Jonathan.
dc_date_str 1998
dc_title_str Contingency and determinism in replicated adaptive radiations of Island Lizards.
description The vagaries of history lead to the prediction that repeated instances of evolutionary diversification will lead to disparate outcomes even if starting conditions are similar. We tested this proposition by examining the evolutionary radiation of Anolis lizards on the four islands of the Greater Antilles. Morphometric analyses indicate that the same set of habitat specialists, termed ecomorphs, occurs on all four islands. Although these similar assemblages could result from a single evolutionary origin of each ecomorph, followed by dispersal or vicariance, phylogenetic analysis indicates that the ecomorphs originated independently on each island. Thus, adaptive radiation in similar environments can overcome historical contingencies to produce strikingly similar evolutionary outcomes.
title Contingency and determinism in replicated adaptive radiations of Island Lizards.
title_full Contingency and determinism in replicated adaptive radiations of Island Lizards.
title_fullStr Contingency and determinism in replicated adaptive radiations of Island Lizards.
title_full_unstemmed Contingency and determinism in replicated adaptive radiations of Island Lizards.
title_short Contingency and determinism in replicated adaptive radiations of Island Lizards.
title_sort contingency and determinism in replicated adaptive radiations of island lizards.
publishDate 1998
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language English
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