Human Population

Question 1

Rule of 70

Answer 1

You can roughly estimate the amount of time for anything to double by dividing 70 by the growth/percentage rate

Question 2

Reasons for population explosion:

Answer 2

Historic need for farm labor
Better sanitation
New technology
Better agricultural production
Better medical care

Question 3

Demography

Answer 3

The study of statistical change in human population

Question 4

Population Size

Answer 4

The total number of people

Question 5

Population Density

Answer 5

The total number of people in a given area; different countries have different densities

Question 6

Age-Structure Pyramids

Answer 6

Visual graphics to show the trends in a country’s population; used to predict dynamics of the population

Question 7

Birth Rate

Answer 7

How many babies born

Question 8

Death Rate

Answer 8

How many people die

Question 9

Immigration

Answer 9

How many people moved into the country

Question 10

Emigration

Answer 10

How many people moved out of the country

Question 11

Total Fertility Rate

Answer 11

Average number of children born per female during her lifetime

Question 12

Natural Rate of Population Change

Answer 12

Change due to birth rate - date rate only; migration exlcuded

Question 13

Life Expectancy

Answer 13

How long a person is expected to live

Question 14

The Demographic Transition

Answer 14

A model of economic and cultural change that seeks to explain birth and death rate as a country becomes more industrialized; exists in 4 stages: pre-industrial, transitional, industrial, post-industrial

Question 15

Pre-Industrial Stage

Answer 15

Defines the majority of human history; high birth rate, high death rate; people have 10 kids and expect 3 or 4 to live to adulthood; live expectancy low

Question 16

Transitional Stage

Answer 16

Initiated by industrialization marked by a large decline in the death rate as food production and medical care increases; birth rate remains high; population explodes

Question 17

Industrial Stage

Answer 17

Increases in employment opportunities causes women to join the workforce; also see introduction to birth control measures; birth rates fall to meet death rates; population growth decreases

Question 18

Post-Industrial Stage

Answer 18

Birth rates and death rates remain stable; no threat of a population explosion

Question 19

Methods for population control:

Answer 19

Family planning methods: contraceptives, education
Forced sterilization in India
One-Child Policy in China
Reproductive healthcare: accessibility to abortion
Education/opportunities for women

Question 20

Wealth Gap

Answer 20

Half the world lives on less than $2 per day

Question 21

Spread of HIV/AIDS

Answer 21

In some African nations, 1 in 4 people are infected with HIV
In US, the leading cause of death of African American women 25-34 is AIDS; it’s also the 3rd leading cause overall (behind cancer and heart disease)

Question 22

Is population really a problem?

Answer 22

If you are a cornucopian, no; we will continue to find new resources and technology to meet our needs
If you are a cassandran, yes; we will run out of natural resources, depleting our ecosystems
Either way, the ultimate end will be a loss in the quality of life if population increases unchecked

Question 23

The human growth rate in 1960 was _, and today it stands at _

Answer 23

2.1%; 1.2%

Question 24

The US contributes roughly _ of the world’s population

Answer 24

310 million (4.5%)

Question 25

In _ the world finally reached the 1 billion person mark; by _, it was 2 billion; 3 billion in _

Answer 25

1800; 1930; 1960