APES Unit 3

Front

What is the growth model that has a J-shaped curve?

Back

Exponential growth model.

Front

If human population growth is 0.98%, in what year will the population double?

Back

2091.

Front

What describes the birth and death rate of Stage 3 of the Demographic Transition Model (DTM)?

Back

Both the birth rate and death rate are decreasing.

Front

What age groups does the bottom of a population pyramid represent?

Back

The children.

Front

What happens to a population that grows past the ecosystem's carrying capacity?

Back

The population starts to die off to return to carrying capacity.

Front

Define carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is the difference between logistic and exponential growth models?

Back

Logistic growth includes environmental limits, while exponential growth does not.

Front

What factors can lead to a decrease in birth rates in a population?

Back

Increased access to education, family planning, and economic development.

Front

What is the significance of the demographic transition model (DTM)?

Back

It illustrates the transition of a country from high birth and death rates to low birth and death rates as it develops.

Front

What does a population pyramid with a wide base indicate?

Back

A high birth rate and a growing population.