Ecological Succession Post-Assessment

Front

What is ecological succession?

Back

The process of change in the species structure of an ecological community over time.

Front

What are pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems, initiating ecological succession.

Front

What role do pioneer species play in primary succession?

Back

They create soil and add nutrients to the environment, allowing other species to establish.

Front

What is primary succession?

Back

The type of ecological succession that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is secondary succession?

Back

The type of ecological succession that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

Give an example of a pioneer species in primary succession.

Back

Mosses and lichens.

Front

What is the correct order of species appearance in primary succession?

Back

Rocks, Lichens & Mosses, Bushes & Shrubs, Trees.

Front

What is a climax community?

Back

A stable and mature community that undergoes little or no change in species over time.

Front

What is the difference between primary and secondary succession?

Back

Primary succession starts on bare rock without soil, while secondary succession occurs in areas where soil is present after a disturbance.

Front

What is a disturbance in an ecological context?

Back

An event that significantly alters the structure of an ecosystem, such as fire, flood, or human activity.