5.1 Population Growth

Front

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

Back

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

Front

What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?

Back

Logistic growth.

Front

What is the average number of people per square mile called?

Back

Population density.

Front

What type of growth is characterized by a rapid increase in population size?

Back

Exponential growth.

Front

What is the term for the maximum number of individuals an environment can support?

Back

Carrying capacity.

Front

What is the difference between immigration and emigration?

Back

Immigration is the arrival of individuals into a population, while emigration is the departure of individuals from a population.

Front

What is the formula for calculating population change?

Back

Population Change = (Births + Immigration) - (Deaths + Emigration).

Front

What does a logistic growth curve typically look like?

Back

It starts with a slow growth rate, accelerates, and then levels off as it approaches carrying capacity.

Front

What is population density?

Back

The number of individuals living per unit area, often expressed as individuals per square mile.

Front

What is the significance of the birth rate in population studies?

Back

It indicates the number of live births per 1,000 people in a given year.