Succession Review

Front

What type of organism first colonizes newly available soil?

Back

Grasses are the first organisms to colonize newly available soil.

Front

Which type of succession occurs slower because soil takes thousands of years to create?

Back

Primary succession occurs slower because it involves the formation of soil.

Front

What is a community in equilibrium?

Back

A community in equilibrium is generally stable and balanced.

Front

On which surface could primary succession occur?

Back

Primary succession can occur on bare rock.

Front

What type of succession occurs after a disturbance that leaves soil organisms intact?

Back

Secondary succession occurs after such disturbances.

Front

Define primary succession.

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as bare rock.

Front

Define secondary succession.

Back

Secondary succession is the process of ecological change that occurs in an area where soil and some organisms still exist after a disturbance.

Front

What role do pioneer species play in succession?

Back

Pioneer species, like lichens and mosses, are the first to colonize barren environments and help create soil.

Front

What is the difference between primary and secondary succession?

Back

Primary succession starts on bare surfaces without soil, while secondary succession occurs in areas where soil is present after a disturbance.

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that has reached a steady state.