Nature's Biggest Beasts

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《Nature's Biggest Beasts》又名大自然巨無霸。

Size matters in wildlife, for species and individuals. As relative skin surface versus mass decreases exponentially with size, large animals have an advantage in the cold, hence Arctic species tend to be larger, like the polar bear, but a disadvantage in war weather, requiring adaptations in the tropics and deserts to cool down, gather or conserve water. Larger also means stron...

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