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In a growing population of a country,(a) reproductive and pre-reproductive individuals are equal in number(b) reproductive individuals are less than the post-reproductive individuals(c) pre-reproductive individuals are more than the reproductive individuals(d) pre-reproductive individuals are less than the reproductive individuals |
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Answer» The correct option is(c) pre-reproductive individuals are more than the reproductive individuals Explanation: In a growing population. younger population (or pre-reproductive individuals) size is larger than that of reproductive individuals. Such a population is represented by a triangular-shaped age pyramid. Whereas. the equal number of reproductive and pre-reproductive individuals represents a stable population and the age pyramid is bell-shaped. Less number of pre-reproductive individuals than reproductive individuals represents declining population and age pyramid appears urn-shaped. The similar case is seen when reproductive individuals are less than the post-reproductive individuals. |
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