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If the birth rate is high and the death rate is low in a country then the population pyramid will
- a)Not narrow at the base
- b)Not narrow rapidly towards the top
- c)Narrow at the base
- d)Narrow rapidly towards the top
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
If the birth rate is high and the death rate is low in a country then ...
Understanding Population Pyramids
A population pyramid is a graphical representation of the age and sex distribution of a population. Its shape can reveal a lot about the demographic trends of a country, particularly in relation to birth and death rates.
High Birth Rate and Low Death Rate
- When a country has a high birth rate, it means that a significant number of children are being born, leading to a broad base in the population pyramid.
- A low death rate indicates that fewer people are dying, allowing a larger proportion of the population to survive into older age groups.
Implications for the Population Pyramid
- The combination of a high birth rate and a low death rate results in a population pyramid that does not narrow rapidly towards the top. This is because:
- A large cohort of younger individuals will push the base of the pyramid wide.
- As individuals age, the population remains substantial due to low mortality rates, preventing a sharp decline in size at the higher age groups.
Why Option B is Correct
- The answer to the question is option 'B': Not narrow rapidly towards the top.
- This reflects the situation where many individuals survive into older age, creating a more balanced or even slightly broader top compared to a pyramid that would narrow rapidly if death rates were higher.
Conclusion
In summary, a high birth rate combined with a low death rate leads to a population pyramid that is characterized by a broad base and a relatively stable top, illustrating a youthful population with a significant number of individuals surviving into older age.
A population pyramid is a graphical representation of the age and sex distribution of a population. Its shape can reveal a lot about the demographic trends of a country, particularly in relation to birth and death rates.
High Birth Rate and Low Death Rate
- When a country has a high birth rate, it means that a significant number of children are being born, leading to a broad base in the population pyramid.
- A low death rate indicates that fewer people are dying, allowing a larger proportion of the population to survive into older age groups.
Implications for the Population Pyramid
- The combination of a high birth rate and a low death rate results in a population pyramid that does not narrow rapidly towards the top. This is because:
- A large cohort of younger individuals will push the base of the pyramid wide.
- As individuals age, the population remains substantial due to low mortality rates, preventing a sharp decline in size at the higher age groups.
Why Option B is Correct
- The answer to the question is option 'B': Not narrow rapidly towards the top.
- This reflects the situation where many individuals survive into older age, creating a more balanced or even slightly broader top compared to a pyramid that would narrow rapidly if death rates were higher.
Conclusion
In summary, a high birth rate combined with a low death rate leads to a population pyramid that is characterized by a broad base and a relatively stable top, illustrating a youthful population with a significant number of individuals surviving into older age.
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Community Answer
If the birth rate is high and the death rate is low in a country then ...
- A population pyramid with a high birth rate and low death rate will have a wide base, indicating a large number of young people.
- The pyramid will not narrow rapidly towards the top because a low death rate implies more people are surviving to older ages.
- Therefore, the correct answer is B: "Not narrow rapidly towards the top," as the pyramid will have a fairly broad shape throughout, indicating a growing population with many young individuals.
- The pyramid will not narrow rapidly towards the top because a low death rate implies more people are surviving to older ages.
- Therefore, the correct answer is B: "Not narrow rapidly towards the top," as the pyramid will have a fairly broad shape throughout, indicating a growing population with many young individuals.
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