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  • It is a group of similar individuals living in a geographical area, sharing similar resources, and capable of interbreeding.
  • Population has certain attributes, which individual organisms do not possess:

    • Birth rate per capita births

    • Death rate per capita deaths

    • Sex ratio − Ratio of number of males to females in a population

  • Demography: It refers to the statistical study of human population considering the following factors:
    • Distribution of population
    • Size and Density of population
    • Birth rate
    • Death rate 
    • ​Growth rate of population (​Growth rate = Birth rate - Death rate)

Age distribution

  • A population can be composed of individuals of different age groups.

  • Age distribution plo…

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