Ecology Succession

What is the difference between primary and secondary succession?

• Primary succession already has soil.

• Primary has soil and secondary does not

• soil is present in both

• primary has no soil and secondary has soil

Which is the correct order in primary succession?

• Rocks, Lichens & Mosses, Bushes & Shrubs, Trees

• Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 

• Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses

• Rocks, Grass, Trees, Bushes & Shrubs

Tags

NGSS.MS-LS2-2

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

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What is the most important function of pioneer species?

• To create rocks

• To create soil and add nutrients to the environment 

• To look nice

• Food for animals 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Click on the section that represents pioneer species.

Tags

NGSS.MS-LS2-3

Once an ecosystem fully recovers from a disturbance it is called?

(a)  

• climax community

• pioneer species

• secondary succession

• primary succession

Tags

NGSS.MS-LS2-4

Label the diagram with the correct terms

a

b

Pioneer Organisms

Climax Community

Tags

NGSS.MS-LS2-3

changes that occur in an area where NO ecosystem previously existed (a)  

• primary succession

• succession

• secondary succession

• natural disaster

changes that occur in an area after a disturbance in an existing ecosystem (a)  

• secondary succession

• primary succession

• natural disaster

• succession

The building up of an ecosystem after lava or glaciers have left nothing but rock.

• Secondary Succession

• Primary Succession 

• Natural Selection

• Adaptation