Unit 2 - NAT GEO CH 3 Flashcards

1
Q

Population distribution

A

Where people live in a geographic area

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2
Q

Temperate climate

A

Climate with moderate temperatures and adequate precipitation amounts

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3
Q

Human migration

A

The physical movement by humans from one area to another, sometimes over long distances or in large groups

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4
Q

Population density

A

The number of people occupying a unit of land

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5
Q

Arithmetic density

A

Measures the total number of people per unit area of land. Calculated by dividing the total population by the total land area

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6
Q

Physiological density

A

The number of people per unit of area of arable land (land suitable for agriculture)

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7
Q

Arable land

A

Land suitable for agriculture

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8
Q

Subsistence agriculture

A

Farming that takes place in providing crops and livestock for only the farmers families and close community. Common in peripheral and semi-peripheral countries where there are fewer mechanical resources available to work the land and more people are needed to care for crops and livestock

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9
Q

Carrying capacity

A

The maximum population size an environment can sustain

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10
Q

Dependency ratio

A

The number of people in the dependent age group (under age 15 or 65 and older) divided by the number of people in the working age group (ages 15-64) divided by 100

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11
Q

Sex ratio

A

The proportion of males to females in population

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12
Q

Demographics

A

Statistical data relating to the population and particular groups within it.

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13
Q

Fertility

A

Ability to produce children

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14
Q

Crude Birth Rate (CBR)

A

The number of births in a given year per 1,000 people in a given population

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15
Q

Total Fertility Rate (FTR)

A

Average number of children one woman in a given country or region will have during her childbearing years (ages 15-49)

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16
Q

Mortality

17
Q

Life expectancy

A

The average number of years an individual can be expected to live. Life expectancy at birth id the average number of years a newborn infant can be expected to live.
Average for peripheral countries: 50
Average for core countries: 80

18
Q

Population pyramid

A

Graphs that show the age-sex distribution of a given population

19
Q

Crude Death Rate (CDR)

A

The number of death of a given population per year per 1,000 people

20
Q

Baby boom

A

A period marked by a significant increase of the birth rate

21
Q

Agricultural density

A

Measures the total number of farmers per unit of arable land. When countries have a high agricultural density - most of the farmers are subsistence farmers

22
Q

Demographics

A

Data about the structure and characteristics of human populations

23
Q

Infant mortality rate

A

The number of deaths of children under the age of 1 per 1,000 live births

24
Q

Working age (on the pop. Pyramid)

A

This is how many people within the population are capable of working to sustain the 2 dependent groups

25
Young dependents (on the pop. Pyramid)
Age 0-14, young dependents
26
Cohorts (on the pop. pyramid)
Cohorts are age categories. Population pyramids divide the population into 5 year cohorts (age/sex groupings)
27
Male gender (on pop. pyramid)
Population pyramids are divided by sex
28
Female gender (on pop. pyramid)
Population pyramids are divided by sex
29
Measurement (on pop. pyramid)
Population pyramids are normally expressed in millions or %
30
Elderly dependents (on pop. Pyramid)
Elderly (age 60+) dependent group of the population