Ecological Succession: Primary and Secondary

Primary succession occurs in an area that has:

• soil

• no soil

• some soil

• none of these

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

___ are the first organisms to colonize an area and begin the process of ecological succession.

• foundational organisms

• introductory organisms

• primary organisms

• pioneer species

What is an example of an area that is likely to undergo primary succession?

• Glaciers melt and leave exposed rock

• Plants die from drought and decompose

• Land is bulldozed and soil remains

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the main difference between primary and secondary ecological succession?

• Primary begins WITHOUT soil; Secondary begins WITH soil

• Primary is the first state and secondary is the second stage

• Primary builds plant community; secondary builds animal community

• Primary begins WITH soil; Secondary begins WITHOUT soil

What is an example of a disturbance that could bring about secondary succession?

• Humans cut down many trees in a small region.

• A volcanic eruption covers an area in lava.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is the term that describes a steady and stable community?

• peak community

• turf community

• climax community

• disturbed community

Which is faster: Primary or Secondary Succession?

• Primary Succession

• Secondary Succession

• Both Take The Same Amount of Time

The Final stage of ecological succession is...

• Mature Tree Growth

• Climax Community

• Pioneer Community

Ends in a climax community...

• primary succession

• secondary succession

• both types of succession

Tags

NGSS.MS-LS2-4

Reaches a climax community quicker because soil is already present

• primary succession

• secondary succession

• both types of succession