UPSC Ecology And Environment Ecology and Environment Question Bank Ecology And Environment

  • question_answer
    Some beetles escape from a ship and fly to a small island covered with grass but with no trees or beetle predator. As the beetles feed, they destroy all the grasses. But with abundant food, the beetle population soars, doubling in size every month. After about a year, the population crashes as thousands of beetles have destroyed almost all of the plants and there is little left to feed the large population. This scenario best illustrates

    A) constant growth followed by equilibrium.

    B) a population that has stabilized near its carrying capacity.

    C) exponential growth followed by a population crash.

    D) logistic growth ending at its carrying capacity.

    Correct Answer: C


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