Cope's Rule is the tendency for organisms in evolving lineages to increase in size over time. The concept is detailed in many textbooks, but has rarely been demonstrated. Many suggestions of the benefits of large body size exist, but none has yet been confirmed empirically. Using a large-scale analysis of recent studies, Kingsolver and Pfennig have now shown how size benefits survival, mating success and fecundity, and they provide convincing arguments for a mechanism that is capable of driving Cope's Rule.
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Univ Oxford, Dept Earth Sci, S Parks Rd, Oxford OX2 3AN, EnglandUniv Oxford, Dept Earth Sci, S Parks Rd, Oxford OX2 3AN, England
Benson, Roger B. J.
Hunt, Gene
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Smithsonian Inst, Natl Museum Nat Hist, Dept Paleobiol, POB 37012,MRC 121, Washington, DC 20560 USAUniv Oxford, Dept Earth Sci, S Parks Rd, Oxford OX2 3AN, England
Hunt, Gene
Carrano, Matthew T.
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Smithsonian Inst, Natl Museum Nat Hist, Dept Paleobiol, POB 37012,MRC 121, Washington, DC 20560 USAUniv Oxford, Dept Earth Sci, S Parks Rd, Oxford OX2 3AN, England
Carrano, Matthew T.
Campione, Nicolas
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Uppsala Univ, Palaeobiol Programme, Dept Earth Sci, Villavagen 16, S-75236 Uppsala, SwedenUniv Oxford, Dept Earth Sci, S Parks Rd, Oxford OX2 3AN, England