Ecological Succession

Front

What is ecological succession?

Back

A slow change in an environment.

Front

What is primary succession?

Back

The process of ecological succession that occurs in an environment that has not previously been inhabited, starting from bare rock.

Front

What is secondary succession?

Back

The process of ecological succession that occurs in an environment that has been disturbed but where soil and some organisms still exist.

Front

What are pioneer species?

Back

The first organisms to colonize a barren environment, helping to create soil and establish an ecosystem.

Front

What is the role of pioneer species in primary succession?

Back

To create soil and add nutrients to the environment.

Front

List the correct order of primary succession.

Back

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

Front

What happens after pioneer species establish themselves?

Back

They modify the environment, allowing other species to move in and establish.

Front

What is a climax community?

Back

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

Front

How does a volcanic eruption lead to primary succession?

Back

The lava cools and becomes rock, creating a barren environment for pioneer species to colonize.

Front

What is the difference between primary and secondary succession?

Back

Primary succession starts from bare rock, while secondary succession starts from existing soil after a disturbance.