Mass extinctions |
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Authors: | Morris Simon Conway |
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Affiliation: | Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK. sc113@esc.cam.ac.uk |
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Abstract: | Factors influencing the evolution of complex traits such as body size are notoriously difficult to study but a new review of work on marine iguanas in the Galapagos islands suggests an answer may lie in the interplay of natural and sexual selection. |
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