DTM
Pop. pyramids
Vocab
Pop. theories
100

What does DTM stand for?

Demographic Transition Model

100

How many genders are in a population pyramid?

2

100

What is the term for a count of a population?

Census

100

What is Malthus´ population theory?

The human population will eventually exceed the capacity to increase food production.

200

How many stages are usually in the DTM?

4 stages

200

The wider the base, the faster the...

growth (of the population).

200

What was the Industrial Revolution?

A time period where there were a lot of improvements in farming and factory tools.

200

What was one of Malthus´ negative population checks?

Abortion, delayed marriage, birth control, celibacy

300

In what stage does the death rate have a major drop?

Stage 2

300

In lowly developed countries, the bases of the pyramids are usually wider because the people have more...

children.

300

What is life expectancy?

It is the average amount of years a person is expected to live.
300

Was Ehrlich´s population doom prediction correct?

No.

400

In what stage does the birth rate have a major drop?

Stage 3

400

What do the numbers at the bottom of a population pyramid represent?

The percent of the population

400

What is the term for too many people living in a place?

Overpopulation

400

Who are cornucopians?

People who disagree with Malthus´ population theory

500

What were the main causes of death in stage 1 of the DTM? 

Famine, infectious and parasitic diseases

500

What can you find on the side of a population pyramid?

The ages of the population

500

What is the term for when the natural increase rate of a population equals 0?

Zero Population Growth (ZPG)

500

What is the Boserup effect?

The push in food production due to more efficient farming methods