AFMC AFMC Solved Paper-2011

  • question_answer
    The permanent decrease in population number occurs due to

    A) mortality

    B) natality and migration

    C) territoriality

    D) emigration

    Correct Answer: A

    Solution :

    Natality is the inherent ability of a population to increase. Mortality refers to the death of individuals in the population. Emigration is one-way outward movement of individual out of the population. Migration refers to periodic departure and return of individuals that restrict their activities to a definite area. If this area is actively defended, it is called territory and the behaviour is termed as territoriality.


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