Geography Theme 1.1 Population

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Define population explosion
The rapid increase in the growth of the human population in the last 100 hundred years
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What has caused the population growth
The imbalance of birth and death rates. With birth rates being consistently higher than death rates
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Define negative population growth
There is a fall in the population growth, so more people are dying than being born
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Define life expectancy
How long a person is expected to live
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Define sanitation
Where there is a basic level of hygiene and clean water
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Define Migration
The movement of people from one place to another. It doesn't have to be from one country to another, it can be as simple changing address
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Where is the rapid increase in population mainly happening
In LEDC's. 97% of the increase is making places in LEDC's such as Africa, Asia and Latin America
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What is the population growth like in MEDC's
It is relatively stable
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What are the 2 main reason for falling death rates
The Green revolution and the medical revolution
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Define Green revolution
Increase in food supply, because of increasing amount of farming, and increasing farming yield
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Define Medical revolution
The advance in medical science, meaning less people die of illnesses
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In many parts of the world, e.g. LEDC's the birth rate is still what
The birth rate is still high
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Define Birth rate
The number of people who are born in a year, for every thousand of the population
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Define Death rate
The number of people who die each year, for every thousand of the population
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Define infant mortality
The number of deaths of children under the age if 1, per 1000 live births
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What are the reasons for falling birth rates
Better education for girls; increased knowledge and availability for contraception; reliable food supply;increasing desire for material objects; child labour is illegal;equal status for women; women have good career choices
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What are the reasons for high death rates
Increasing obesity; Increasing illnesses and disease; low levels of sanitation;increase of alcoholism and smoking; increasing rates if cancer; war and natural disasters
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What are the 4 main Reasons for high birth rates
economic reasons; cultural and social reasons; Religious reasons;Demographic reasons
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Explain the Economic reasons
In LEDC's, families have more children, to provide labour, for family's farm or extra workers to boost families income
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Explain the Cultural and social reasons
In Many cultures, the greater number of children gives prestige and a standing for the man in society
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Explain the religious reasons
Some religions, oppose any form of contraception, and encourage families to have children
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explain demographic reasons
Countries with a high proportion of of females of child bearing age will tend to have higher birth rates
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Define Population Distribution
The way that the population is spread out over a given area, form a small region to the Earth as a whole
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Define population Density
The average number of people per square kilometre, in a country or region
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Explain the physical reasons for high population density
Relief, e.g. lowland areas, easy to farm and build settlements + transport links. Climates e.g.moderate enough to grow crops. Soil e.g. fertile soil ideal for agriculture. Accessibility e.g.coastal or river areas easy for transport. Resourcese.g. oil
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Explain the economic reasons for high population density
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Explain the physical reasons for low population density
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Explain the economic reason for low population density
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Other cards in this set

Card 2

Front

What has caused the population growth

Back

The imbalance of birth and death rates. With birth rates being consistently higher than death rates

Card 3

Front

Define negative population growth

Back

Preview of the front of card 3

Card 4

Front

Define life expectancy

Back

Preview of the front of card 4

Card 5

Front

Define sanitation

Back

Preview of the front of card 5
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