Population Pyramids
DTM
Graphs
Population Growth
100

In a stable growth population pyramid, the number of young people would be _______________ the number of middle-aged people.

A. more than

B. Less than

C. The same as

C. the same as

100

Stage 1 is ________ birth rates and _______ death rates

high; high

100

J shaped curves are called _____________ growth curves.

exponential 

100

Factors that increase someone's desire for children are called....

pronatalist pressures

200

A _____________ country most likely has a stable or declining growth population pyramid.

developed

double points

200

Stage 4 is _______ death rates and _______ birth rates

low; low

200
When a population undergoing exponential growth runs out of resources it will hit carrying capacity. This creates what kind of growth?

logistic

200

What is fertility rate?

the number of children born on average to a woman in a given country.

triple points

300

If a country does not have a good education system and has a low GDP it is likely to have a __________ growth pyramid.

rapid growth

300

Why do birth rates decline as a country moves through the stages of DTM?

because women become educated and get access to family planning

double points

300

Draw a type 3 survivorship curve.

Looks like and "L" but rounded

300

Fertility rates in a developed country would be (higher/ lower/ the same as) fertility rates in a developing country.

lower (roughly between 1.7-2.3)

400

Draw a population pyramid for a country is declining.

fewer young people than middle aged

double points

400

During the DTM model, which drops first: death or birth rates? In what stage does it begin to drop?

death rates drop first in stage 2

birth rates drop after in stage 3

400

Which type of survivorship occurs when you live out a long life and die of old age like many large mammals?

Type 1

400

Replacement level fertility is roughly around 2.1-2.5 depending on the country. Why is it not 2?

Because some children die before making it to adulthood (infant mortality)

steal 200 points from 2 teams