Ecological Succession

First species to arrive in an area

• invasive species
• abiotic components
• pioneer species
• parasites

Series of changes where other organisms have not previously lived

• primary succession
• secondary succession
• commensalism
• competition

Series of changes where an existing community is destroyed

• primary succession
• secondary succession
• commensalism
• competition

Tags

NGSS.MS-LS2-4

First species occuring in areas of primary succession are mosses and

• grasses
• wildflowers
• trees
• lichens

Tags

NGSS.MS-LS2-4

Succession type?

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

Tags

NGSS.MS-LS2-4

Succession type?

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

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Final illustration (#8) shows

• pioneer species
• climax community
• only biotic factors
• only abiotic factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Mossess and Lichens 
• A rose Bush

Tags

NGSS.MS-LS2-1

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

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