Ecosystem Interactions and Succession

Replacement of one type of community by another at a single place over time

• symbiosis
• succession
• competition
• cooperation

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

Stable, final stage of succession

• adaptation
• pioneer species
• niche
• climax community

First species occuring in areas of primary succession are mosses and

• grasses
• wildflowers
• trees
• lichens

Tags

NGSS.MS-LS2-1

Succession type?

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

Tags

NGSS.MS-LS2-4

Final illustration (#8) shows

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

Tags

NGSS.MS-LS2-4

Plant life starting to grow on a volcano

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

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

All food webs and food chains begin with _________________.

• primary consumer
• producers
• secondary consumers
• predators

Tags

NGSS.MS-LS2-3