Question
Bergmann’s Rule
Answer :
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Bergmann's Rule is an important ecological principle proposed by the German biologist Carl Bergmann in 1847. It states that within a species of warm-blooded (endothermic) animals, populations living in colder climates generally have larger body sizes than those living in warmer climates. This pattern is explained by the relationship between body surface area and body volume. Larger bodies have a lower surface area relative to their volume, reducing heat loss and helping maintain body temperature in cold environments. Conversely, smaller bodies have a higher surface area relative to their volume, allowing more efficient heat dissipation in hot climates. In human growth and development, Bergmann's Rule helps explain geographical variation in body size among
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