Ecological Succession

Front

What is ecological succession?

Back

The series of predictable changes in the structure and composition of a community over time.

Front

What are the two main types of ecological succession?

Back

Primary succession and secondary succession.

Front

What is primary succession?

Back

The process of ecological change that occurs in an area where no soil exists, starting from bare rock.

Front

What is secondary succession?

Back

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

Front

What are pioneer species?

Back

Species that are the first to colonize previously disrupted or damaged ecosystems, such as lichens and mosses.

Front

What is the role of pioneer species in primary succession?

Back

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

Front

What is a climax community?

Back

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

Front

What is the correct order of primary succession?

Back

Bare rock, lichens & mosses, annual plants, perennial plants, shrubs & bushes, softwood trees, hardwood trees.

Front

What are examples of pioneer species in primary succession?

Back

Mosses and lichens.

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.