Unity 2.3

Question 1

What is population growth rate?

Answer 1

The change of the size of a specific population over a period of time.

Question 2

What is the purpose of an age structure graph?

Answer 2

The purpose of an age structure graph is to show the distribution of a population between age groups of sex.

Question 3

If an age structure graph has a small young population (base), what is happening to the population?

Answer 3

The population is shrinking, as there are more elderly than there are young, and the population will therefore have a lower birth rate than death rate.

Question 4

A population will grow if there are ___ females at reproductive age.

Answer 4

more

Question 5

Stage ___ of demographic transition has a declining death rate, while the birth rate stays high.

Answer 5

Stage 2 - Early Industrial

Question 6

What are some concerns regarding population growth?

Answer 6

Increased:
- extraction of resources
- burning of fossil fuels
- freshwater use
- destruction of habitats
- fishing and hunting
- spread of disease and invasive species
Decreased:
- available land

Question 7

A population with a rapidly growing population will have a larger ___ population than an ___ population.

Answer 7

… a larger young population than an old population.

Question 8

A developed country will have ___ when compared to a developing country.

Answer 8

high life expectancy, more wealth, higher C02 emissions

Question 9

What is demographic transition?

Answer 9

Demographic transition is slow shift in a population from high birth and death rate to a low birth and death rate.

Question 10

Life expectancy is greatest in ___ populations.

Answer 10

developed