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    Question

    With reference to ecology, which among the following correctly describes the Allen's rule?

    A It states that the growth and productivity of a plant is always limited by availability of a critical nutrient. Correct Answer Incorrect Answer
    B It states that if two species have completely overlapping niches they cannot continue to coexist. Correct Answer Incorrect Answer
    C It states that mammals from colder climates generally have shorter ears and limbs to minimize heat loss. Correct Answer Incorrect Answer
    D None of the above. Correct Answer Incorrect Answer
    E All the above Correct Answer Incorrect Answer

    Solution

    Allen's rule states that the mammals from colder climates generally have shorter ears and limbs to minimise heat loss. 

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