Primary and Secondary Succession

Front

What is a climax community?

Back

A stable ecological community that has reached equilibrium.

Tags

NGSS.MS-LS2-4

Front

What is ecological succession?

Back

The process of change in an ecosystem that occurs when one community replaces another over time.

Front

What is secondary succession?

Back

The renewal of an ecosystem after a disturbance, where soil and some organisms still exist.

Tags

NGSS.MS-LS2-4

Front

What is primary succession?

Back

The process of ecosystem development that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What role do pioneer species play in succession?

Back

Pioneer species are the first organisms to colonize barren environments, initiating the process of ecological succession.

Front

What is an example of primary succession?

Back

Volcanic eruptions creating new land where lichens and mosses begin to grow.

Front

What is an example of secondary succession?

Back

A forest recovering after logging, where soil and some organisms remain.

Tags

NGSS.MS-LS2-4

Front

How does a landslide affect succession?

Back

A landslide can expose bedrock, leading to primary succession as lichens and mosses begin soil formation.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas without soil, while secondary succession occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

Front

What is a niche in an ecosystem?

Back

The role or function of an organism within its ecosystem, including its habitat, resource use, and interactions with other organisms.