Bowen Secondary School Sec 3 EXP HBL Plan (20 24 April 2020)
Sec 2 Exp High Rate Of Population Growth
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High rate of population growth
Workbook Pg 11 & 12
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High rate of population growth
• Means a rapid increase in population
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Population
Pyramid
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Different Age Group Category
• Children
–0 to 14 years old
• Working Adult
–15 to 59 years old
• Elderly
–60 years and above
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Elderly
Children
The rest is working adult
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Wide base represent a lot of children therefore high BR
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Narrow peak represent a small number of elderly
Life expectancy
(How old the elderly live till)
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What causes high BR?
• Lack of family planning– Less educated, no knowledge about contraceptive
• Early marriage– Culture could be a factor– Therefore longer childbearing years
• Preference for sons– Asian society – Patriarchal society
• Need for farm labour– Agriculture based economy (Low technology)
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What causes low DR?
• Better medical & health care– Less infant mortality rate– Availability of immunization– Nutritional knowledge– More trained doctors & nurses– Better & modern medical equipment
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Low DR
• Better hygiene– Better living condition
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Consequences of high BR
• Higher demand for resources
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Consequences of high BR
• Higher demand for housing
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Consequences of high BR
• Higher demand for education
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Consequences of high BR
• Higher demand for jobs
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Consequences of high BR
• Environmental problems (pollution)