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Question : Define 'zero population growth rate'. Draw a age pyramid for the same. |
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Answer» Solution :• When birth RATE becomes EQUALS to DEATH rate then there is no GROWTH, it is called as zero population growth rate. • It is obtained when - • The number of post - reproductive age GROUP individuals are less in number and both prereproductive and reproductive stages are in the same level. • An inverted bell-shaped age pyramid is obtained.
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