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Unit 3 IB ESS EXAM questions with complete solutions $12.99   Add to cart

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Unit 3 IB ESS EXAM questions with complete solutions

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  • IB ESS

Unit 3 IB ESS EXAM questions with complete solutions

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  • October 6, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • IB ESS
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BravelRadon
Unit 3 IB ESS EXAM

birth rate calculations - correct answer ✔✔Number of births in a year ÷ total population x 1000



standardized birth rate calculation - correct answer ✔✔birth rate for a region on the basis that its age
composition is the same as the whole country



Total fertility rate - correct answer ✔✔The average number of children born to a woman during her
childbearing years.



doubling time - correct answer ✔✔time it takes for a population to double in time



70/percentage growth rate



crude death rate - correct answer ✔✔The number of deaths per year per 1,000 people.

numbers deaths/1000 people in each year population



Infant mortality rate - correct answer ✔✔The percentage of children who die before their first birthday
within a particular area or country.



pyramids - correct answer ✔✔wide base=high birth rate



narrowing base=falling birth rate



straight or near vertical sides reveal a low death rate



concave slopes = high death rates



bulges in slope=high rates of immigration

, deficits in slope=emigration, war, epidemic



Demographic transition model (DTM) - correct answer ✔✔shows the change in population structure
from LEDCs to MEDC



Stage 1: High and variable - correct answer ✔✔birth rates and death rates are high and variable



population growth fluctuates



no countries, only some indigenous tribes are at this stage



Stage 2: Early expanding - correct answer ✔✔birth rate remains high but the death rate comes down
rapidly



population growth is rapid



Afghanistan, Sudan, & Libya



Stage 3: late expanding - correct answer ✔✔birth rate drops and death rate is low

population growth continues but at a smaller rate

Brazil & Argentina



Stage 4: Low and variable - correct answer ✔✔birth and death rates low and variable

population growth fluctuates



Stage 5: low declining - correct answer ✔✔birth rate is lower than death rate

population declines

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