Population Ecology Review

Front

Limiting factor

Back

Factors/resources that limit how many organisms can live in an area at the same time

Front

What does the carrying capacity of a population show?

Back

The maximum number of organisms that an ecosystem can support for a long period of time

Front

What is a population?

Back

A group of the same species living in an area

Front

What happens if a population goes over its carrying capacity?

Back

It will eventually decrease due to a lack of resources

Front

What may cause a population to increase?

Back

All of these: increase of food supply, removal of predators, removal of disease.

Front

What is the carrying capacity of the graph?

Back

1000

Front

What is the carrying capacity of the graph?

Back

around 500

Front

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the field?

Back

The bird population would decrease

Front

A scientist observed a fish population increase for 3 years, then remain constant for 7 years. What is the best explanation?

Back

reached carrying capacity

Front

New individuals move into a population.

Back

immigration