Primary and Secondary Succession Flashcard

Front

What are the first organisms that appear in an ecological community?

Back

Pioneer Species

Front

Why do grasses appear before shrubs in ecological succession?

Back

Grasses can grow even in areas with shallow soil.

Front

What type of succession occurs in an area where soil is already present?

Back

Secondary Succession

Front

What type of succession starts with bare rock followed by lichen?

Back

Primary Succession

Front

What is the process of change in the species structure of an ecological community over time?

Back

Ecological Succession

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 already present.

Front

What role do pioneer species play in primary succession?

Back

They help create soil by breaking down rock and adding organic material.

Front

What is an example of a pioneer species?

Back

Lichen or moss.

Front

What happens to the ecosystem during secondary succession?

Back

The ecosystem recovers and rebuilds after a disturbance, such as a fire or flood.

Front

What is a climax community?

Back

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