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Bergmann's rule stipulates that in cold climate conditions animals should have denser bodies than in hot climates where a long, lean body would allow heat to escape more easily. This is similar to Alan's Rule (cold climates should favour shorter limbs, while the reverse is true in hot climates).
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∙ 13y ago
Bergmann's rule is an ecogeographic principle that states that within a species, individuals tend to be larger in colder climates and smaller in warmer climates. This pattern is thought to be an adaptation to efficiently conserve body heat in colder environments and dissipate heat in warmer environments.
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