Question

    Which of the following pyramid is always upright? 

    A Pyramid of number Correct Answer Incorrect Answer
    B Pyramid of Biomass Correct Answer Incorrect Answer
    C Pyramid of energy Correct Answer Incorrect Answer
    D All of them Correct Answer Incorrect Answer

    Solution

    Pyramid of energy is always upright as there is  always a gradual decrease in energy content at every successive tropic level from producer to top consumer. 

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