Primary and Secondary Succession

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

• foundational organisms

• introductory organisms

• primary organisms

• pioneer species

Tags

NGSS.MS-LS2-4

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-ESS2-2

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

Why does primary succession take longer to reach climax community?

• Because trees do not perform photosyntheses.
• Because climax community is in a forrest.
• Because primary succession already has soil
• Because primary succession does not have soil

What type of succession is shown going from figure A to figure B?

• primary succession
• political succession

• secondary succession
• intermediate

Tags

NGSS.MS-LS2-4

What is the order of succession shown in this figure?

• A, B, C, D
• B, A, D, C
• C, D, A, B
• D, A, B, C

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What is ecological succession?

• A slow change in an environment
• A change that takes days in an environment
• No change
• Abiotic change

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

• F

• G

• H

• J

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees
• Lichens → tree → shrubs→Grasses
• Grasses → Lichens → Shrubs → Trees
• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-2

Which type of succession is being shown here?

• primary succession
• secondary succession
• tertiary succession
• variable succession