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In a population with an almost equal number of pre-reproductive and reproductive individuals and comparatively fewer post-reproductive individuals, the age pyramid will be
- a)Triangular
- b)Bell shaped
- c)Urn shaped
- d)Of no definite shape
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
In a population with an almost equal number of pre-reproductive and r...
Explanation:
Age Pyramid:
- An age pyramid is a graphical representation of the age structure of a population, typically divided into pre-reproductive, reproductive, and post-reproductive age groups.
Characteristics of the Population:
- In a population with an almost equal number of pre-reproductive and reproductive individuals and comparatively fewer post-reproductive individuals, the age pyramid will be bell-shaped.
Bell-shaped Pyramid:
- A bell-shaped age pyramid indicates a stable population with relatively equal numbers of individuals in each age group.
- It suggests that the population is neither growing rapidly nor declining.
- The pre-reproductive and reproductive age groups are nearly equal in size, leading to a more balanced distribution of ages.
Explanation of the Correct Answer:
- Option B states that the age pyramid will be bell-shaped, which accurately describes the population structure where there is an almost equal number of pre-reproductive and reproductive individuals and fewer post-reproductive individuals.
- This balanced distribution of age groups results in a bell-shaped age pyramid.
Conclusion:
- Therefore, in a population with these characteristics, the age pyramid will be bell-shaped, reflecting a stable and balanced population structure.
Age Pyramid:
- An age pyramid is a graphical representation of the age structure of a population, typically divided into pre-reproductive, reproductive, and post-reproductive age groups.
Characteristics of the Population:
- In a population with an almost equal number of pre-reproductive and reproductive individuals and comparatively fewer post-reproductive individuals, the age pyramid will be bell-shaped.
Bell-shaped Pyramid:
- A bell-shaped age pyramid indicates a stable population with relatively equal numbers of individuals in each age group.
- It suggests that the population is neither growing rapidly nor declining.
- The pre-reproductive and reproductive age groups are nearly equal in size, leading to a more balanced distribution of ages.
Explanation of the Correct Answer:
- Option B states that the age pyramid will be bell-shaped, which accurately describes the population structure where there is an almost equal number of pre-reproductive and reproductive individuals and fewer post-reproductive individuals.
- This balanced distribution of age groups results in a bell-shaped age pyramid.
Conclusion:
- Therefore, in a population with these characteristics, the age pyramid will be bell-shaped, reflecting a stable and balanced population structure.
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Community Answer
In a population with an almost equal number of pre-reproductive and r...
The shape of the pyramids reflects the growth status of the population as to whether it is expanding type, stable, or shows negative growth. The bell-shaped pyramid is the pyramid in which pre-reproductive and reproductive groups are almost equal, and post-reproductive group individuals are fewer. Hence, the population size remains stable.
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In a population with an almost equal number of pre-reproductive and reproductive individuals and comparatively fewer post-reproductive individuals, the age pyramid will bea)Triangularb)Bell shapedc)Urn shapedd)Of no definite shapeCorrect answer is option 'B'. Can you explain this answer?
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