Ecological Succession

Front

What is ecological succession?

Back

A gradual change in living communities following a disturbance.

Front

What are the two main types of ecological succession?

Back

Primary succession and secondary succession.

Front

What occurs during primary succession?

Back

It happens when a new patch of land is created or exposed for the first time.

Front

What is secondary succession?

Back

It occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

Front

What is the minimum concentration of dissolved oxygen required by many fish species to survive and reproduce in water?

Back

5 ppm.

Front

Which of the following is NOT a method through which dissolved oxygen is added to water?

Back

Filtration through sand.

Front

What role do pioneer species play in ecological succession?

Back

They are the first organisms to colonize a barren environment, initiating the process of succession.

Front

How does biodiversity change during ecological succession?

Back

Biodiversity typically increases as succession progresses.

Front

What is a climax community?

Back

A stable and mature community that undergoes little change in species composition.

Front

What factors can influence the rate of ecological succession?

Back

Soil quality, climate, availability of species, and disturbances.