population unit

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What is the definition of Birth Rate (BR)?
The number of births per 1000 people per year.
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What is the definition of death rate (DR)?
the number of deaths per 1000 people per year.
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What is the definition natural change?
the difference between BR and DR expressed as a percentag (population growth)
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what is the definition natural increase?
when natural change is positive (the BR exceeds the DR)
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what is the definition natural decrease?
when natural change is negative (the DR exceeds the BR)
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what is the definition of zero growth?
the population is in balance (BR=DR=zero)
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what is the definition of expenential growth?
where the population grows quicker and quicker, mrking a J shaped graph.
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why does the population decline in stage 5?
low infant mortality rate, DR is higher than BR= decline (population decrease)
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what is the definition of an ageing population?
an ageing population ia a good thing because it shows we are living longer, but it brings challenges.
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what are the 3 types of the population policy?
Pro-natal-promotes child birth, Anti-natal-discourages child birth, migration-encourages people to move from one place to another.
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Other cards in this set

Card 2

Front

What is the definition of death rate (DR)?

Back

the number of deaths per 1000 people per year.

Card 3

Front

What is the definition natural change?

Back

Preview of the front of card 3

Card 4

Front

what is the definition natural increase?

Back

Preview of the front of card 4

Card 5

Front

what is the definition natural decrease?

Back

Preview of the front of card 5
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