Primary and Secondary Succession Flashcard

Front

What is primary succession?

Back

The process of ecological succession that occurs in an area that has never been colonized before.

Front

What is secondary succession?

Back

The process of ecological succession that occurs in a previously inhabited but disturbed or destroyed area.

Front

Give an example of primary succession.

Back

Colonization of bare rock by lichens and mosses.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in areas where no ecosystem existed before, while secondary succession occurs in areas where an ecosystem has been disturbed or destroyed.

Front

What is the role of pioneer species in secondary succession?

Back

Pioneer species prepare the environment for other species by colonizing barren areas and creating suitable conditions for growth.

Front

What are pioneer species?

Back

Species that are the first to colonize previously uninhabited or disturbed environments.

Front

What is an example of a pioneer species?

Back

Lichens and mosses are common examples of pioneer species.

Front

How does primary succession begin?

Back

It begins in lifeless areas where soil has not yet formed.

Front

What is a climax community?

Back

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

Front

What factors can lead to secondary succession?

Back

Natural disasters, human activities, or disturbances that leave the soil intact.