Population Growth

Front

What tells how fast a given population grows?

Back

Population growth rate.

Front

What is the new population of a small island nation that started with 100 people, had 10 immigrants, 20 emigrants, a birth rate of 15, and a death rate of 5?

Back

No change; the population is still 100.

Front

What is a population?

Back

All organisms of a species that live in the same area.

Front

What is the term for the number of births compared to the total number of people in a population?

Back

Birth rate.

Front

What term do ecologists use to describe the number of individuals moving into a population?

Back

Immigration.

Front

What is the term for the number of individuals moving out of a population?

Back

Emigration.

Front

What factors can affect population growth?

Back

Birth rate, death rate, immigration, and emigration.

Front

What is the difference between a population and a community?

Back

A population consists of individuals of the same species, while a community includes all the different species living in a particular area.

Front

What is carrying capacity?

Back

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

Front

What is the formula for calculating population growth?

Back

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