Which statement explains the concept of A llen's rule? (A) A quatic mammals have blubber as insu...

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Which statement explains the concept of A llen's rule?
(A) A quatic mammals have blubber as insulator.
(B) M ammals of colder climatehaveshorter ears and limbs.
(C) M ammals of humid and warmer region have more melanin in their skin.
(D) The bears undergoes hibernation during winter.
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