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    Question

    A population with an equal number of young and mature

    individuals represents:
    A Declining population Correct Answer Incorrect Answer
    B Expanding population Correct Answer Incorrect Answer
    C Stable population Correct Answer Incorrect Answer
    D Extinct population Correct Answer Incorrect Answer

    Solution

    Population growth is determined by age structure, which includes three categories: (i) Pre-reproductive (young individuals) (ii) Reproductive (mature individuals capable of reproduction) (iii) Post-reproductive (old individuals no longer reproducing) Expanding Population тАУ More young individuals than mature ones, leading to future growth. Declining Population тАУ Fewer young individuals than mature ones, leading to a decrease over time. Stable Population тАУ Equal numbers of young and mature individuals, meaning birth and death rates are balanced, keeping the population size steady. Extinct Population тАУ No individuals left in the population. Since the given scenario describes a balance between young and mature individuals, it indicates a stable population where the size remains constant over time. Hence, the correct answer is (3) Stable population.

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