Human Population Dynamics 8.1

Question 1

Life expectancy

Answer 1

The average lifespan a newborn can expect

Question 2

Factors affecting population growth

Answer 2

Immigration
Migration
Natality
Mortality

Question 3

Crude birth rate

Answer 3

Number of births per 1000 individuals in a population per year

Question 4

Crude death rate

Answer 4

Number of deaths per thousand individuals in a population per year

Question 5

Natural increase rate

Answer 5

CBR-CDR

/ 10

Question 6

Doubling rate

Answer 6

The time in years it takes for a population to double
If NIR = 1% then doubling time is 70 years
Doubling time = 70/NIR

Question 7

Fertility rate

Answer 7

The average number of children each woman is expected to have over her lifetime

Question 8

Age/sex pyramids

Answer 8

Show the distribution of individuals in a population, divided by age and sex

Question 9

Demographic transition model

Answer 9

Describes the pattern of decline in mortality and natality as a result of social and economic development
5 phases

Question 10

Demographics

Answer 10

The study of dynamics of population change