Ecological 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

Primary succession occurs in an area that has:

• Has Soil

• Has No Soil

• Has Some Soil

• none of these

Tags

NGSS.MS-LS2-1

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 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 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

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Moss and Lichens 

• A rose Bush

After a volcanic eruption, volcanic rock is present (but no soil). Which of the following states the most likely order of succession that would be seen?

• Lichens → Shrubs → Grasses → Trees

• Lichens → tree → shrubs→Grasses

• Grasses → Lichens → Shrubs → Trees

• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.HS-LS2-6

Primary or secondary ecological succession?

• 
• 

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-ESS2-2

NGSS.MS-ESS1-4

What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?

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

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3