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NEET Biology Ecosystem Question Bank Self Evaluation Test - Ecosystem

  • question_answer
    A pasture of 40 hectares has a biomass of 40 kg/hectare, or roughly 1,000,000 calories of energy. Cattle grazing on this pasture are sold for beef. About how many calories of energy from the pasture reach human consumers of the beef?

    A) 10,000

    B) 1000

    C) 100,000

    D) 1,000,000

    Correct Answer: C

    Solution :

    [c] Only about 10% of the energy is transferred between trophic levels; thus, 100,000 calories are in the cows and available to human consumers.


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