NEET Biology Evolution Of Life Question Bank Self Evaluation Test - Evolution

  • question_answer
    If a guppy species found in a stream is placed in a lake, its colour will evolve rapidly from colourful to drab over as few as 10 generations because of the:

    A) Lack of food.

    B) Presence of additional predators in the lake.

    C) Temperature of the air.

    D) Taste of the water.

    Correct Answer: B

    Solution :

    [b] The guppies that are found in the stream can be colourful because there are few predators. In a lake, there are more predators and colourful individuals. Therefore, the colour of the transplanted fish will change from bright to drab relatively rapid.


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