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Variation in temperature imposes selection pressures on organisms. In variable environments, organisms must adopt fixed or plastic strategies that enable persistence over a broad range of temperatures. In coarse-grained environments, where the thermal variation among generations exceeds that within generations, selection should favor developmental plasticity. Here, we compare the degree of developmental...
We investigated temperature-dependent responses of metabolism and thermal tolerance in bluegill (Lepomis macrochirus) and longear sunfish (L. megalotis). Each species showed significant differences in standard metabolic rate (SMR) and thermal tolerance among the three acclimation temperatures (10 o C, 20 o C, and 30 o C). These sympatric centrarchids colonize microhabitats...
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