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Flashcards in Population Deck (22)
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1
Q

What is another word for population cycle

A

Demographic transition

2
Q

Stage 1:

A

High birth rate low death rates, low population due to famine and disease. Eg - very few remote places

3
Q

Stage 2:

A

Money is well spent of health care and clean water. Birth rates high. Eg- Egypt

4
Q

Stage 3:

A

Social and economic development. People start to have less children

5
Q

Stage 4:

A

The country is now wealthy. Family planning. Low birth and death rate. Small population growth. Eg- Ireland

6
Q

Stage 5:

A

People have very few children as people are more focused in their jobs. Population starts to decline. Eg- Germany

7
Q

Why does population increase in recent years

A

Agricultural revolution: more stable food, less famines
Industrial + scientific revolution: better machinery for agriculture. Better healthcare and medicines which saved more lives.

8
Q

Factors affecting population change

A
  • Food supply:
  • Improved technology: farming has improved, as a result of better machinery
  • health: clean drinking water. Vaccinations.
  • war: millions of people have died in war which leads to increased death rates
  • status of women: hygiene
  • education: gives people control of their lives.
9
Q

What are population pyramids used for?

A

Show us the % of males and females in differs age groups

They allow the government to plan where to build schools, hospitals and other facilities

10
Q

Population distribution

A

Refers to how many people are spread out through the world

11
Q

Population density

A

Refers to the average number of people living in a square kilometre

12
Q

What are the factors that cause uneven distribution?

A

Social + historical factors

Resources and terrain

13
Q

How do resources and terrain affect population change

A

Soils
Climate
Drainage
Good land for agriculture

14
Q

High population density problems

A
  • overcrowding
  • shortage of clean water
  • pollution
  • lack of space
15
Q

Child mortality rate

A

Is the number of children who die under the age of 5 in a year

16
Q

Infant mortality

A

Number of children who die uber the age of 1

17
Q

Life expectancy

A

Number of years a new born child is expected to live

18
Q

Low population density problems

A
  • low marriage rates
  • abandonment of land
  • political isolation
  • economic isolation
19
Q

Migration

A

The movement of people form one place to another

20
Q

Migrant

A

A person who leaves one country for another

21
Q

Emigrant

A

A person who leaves once country for another

22
Q

Immigrant

A

A person who comes to live in a country from another