Life history trade-offs explain the evolution of human pygmies
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Life history trade-offs explain the evolution of human pygmies.
Explanations for the evolution of human pygmies continue to be a matter of controversy, recently fuelled by the disagreements surrounding the interpretation of the fossil hominin Homo floresiensis. Traditional hypotheses assume that the small body size of human pygmies is an adaptation to special challenges, such as thermoregulation, locomotion in dense forests, or endurance against starvation....
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متن کاملCan life history trade-offs explain the evolution of short stature in human pygmies? A response to Migliano and colleagues Authors:
Authors: Noémie SA Becker, Paul Verdu, Barry Hewlett and Samuel Pavard 1 Ecoanthropology and Ethnobiology UMR 7206, CNRS-MNHN-Univ. Paris7, Musée de l'Homme, 75016 Paris; 2 Department of Anthropology, Washington State University, Vancouver, WA 98686 USA. *All authors equally contributed to this work Corresponding author: Samuel Pavard : Ecoanthropology and Ethnobiology UMR 7206, Musée de l'Homm...
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Viruses can suffer 'life-history' trade-offs that prevent simultaneous improvement in fitness traits, such as improved intrahost reproduction at the expense of reduced extrahost survival. Here we examine reproduction-survival trade-offs and other trait compromises, highlighting that experimental evolution can reveal trade-offs and their associated mechanisms. Whereas 'curse of the pharaoh' (hig...
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Zwoinska, M. K. 2017. Age-specific trade-offs in life-history evolution. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1555. 48 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-513-0067-2. Trade-offs prevent selection from driving all fitness-enhancing traits towards values that would maximize fitness. Life-history trade-offs, such a...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2007
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.0708024105