Ecological Succession Review

Front

What is ecological succession?

Back

A slow change in an environment.

Front

What are pioneer species?

Back

Species that are the first to colonize previously disrupted or damaged ecosystems.

Front

Which of the following is NOT a pioneer species?

Back

Shrubs.

Front

What is primary succession?

Back

Ecological succession that occurs in an area with no soil.

Front

What is secondary succession?

Back

Ecological succession that occurs in an area that has been disturbed but where soil and organisms still exist.

Front

What is the correct order of ecological succession?

Back

Lichens - grasses - shrubs - trees.

Front

What role do lichens play in primary succession?

Back

They help to break down rock and create soil.

Front

What is a climax community?

Back

A stable, mature community that undergoes little or no change in species.

Front

How do natural disasters affect ecological succession?

Back

They can trigger secondary succession by disturbing existing ecosystems.

Front

What is the difference between primary and secondary succession?

Back

Primary succession starts with bare rock, while secondary succession starts with existing soil.