Semicircular canals in Anolis lizards: ecomorphological convergence and ecomorph affinities of fossil species
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چکیده
منابع مشابه
Semicircular canals in Anolis lizards: ecomorphological convergence and ecomorph affinities of fossil species
Anolis lizards are a model system for the study of adaptive radiation and convergent evolution. Greater Antillean anoles have repeatedly evolved six similar forms or ecomorphs: crown-giant, grass-bush, twig, trunk, trunk-crown and trunk-ground. Members of each ecomorph category possess a specific set of morphological, ecological and behavioural characteristics which have been acquired convergen...
متن کاملLack of convergence in aquatic Anolis lizards.
Why convergent evolution occurs among some species occupying similar habitats but not among others is a question that has received surprisingly little attention. Caribbean Anolis lizards, known for their extensive convergent evolution among islands in the Greater Antilles, are an appropriate group with which to address this question. Despite the well-documented pattern of between-island converg...
متن کاملA study of the utility of convergent characters for phylogeny reconstruction: do ecomorphological characters track evolutionary history in Anolis lizards?
The reconstruction of phylogeny requires homologous similarities across species. Characters that have been shown to evolve quickly or convergently in some species are often considered to be poor phylogenetic markers. Here I evaluate the phylogenetic utility of a set of morphological characters that are correlated with ecology and have been shown to evolve convergently in Anolis lizards in the G...
متن کاملAnolis lizards
Is the visual system specialized for this type of image stabilization? Experimental observations on many species have shown that smooth motion of a very large image over an animal’s visual field produces optokinetic response of the eye, head and body, where the gaze follows the moving stimulus for a while and then makes a fast resetting movement (saccade), and then another stimulus following mo...
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ژورنال
عنوان ژورنال: Royal Society Open Science
سال: 2017
ISSN: 2054-5703
DOI: 10.1098/rsos.170058