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प्रश्न
Mammals are capable of maintaining homeostasis. But, very few smaller animals can survive in polar regions. Give reasons.
थोडक्यात उत्तर
उत्तर
Small animals lose body heat more quickly when it's cold outside because their surface area to volume ratio is higher; as a result, they must use a lot of energy to generate it through metabolism. Due to this, polar regions rarely have very small animals.
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