Ecological Succession & Biogeochemical Cycles

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria
• Lichens convert carbohydrates into fossil fuels.

Tags

NGSS.MS-LS2-3

After a forest fire, an ecosystem would start regrowth through -

• primary succession
• secondary succession
• climax community
• limiting factors

Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?

• A tornado
• A volcanic eruption
• A flood
• A drought

Tags

NGSS.MS-LS2-4

succession that occurs in an area where soil is already present

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

succession that occurs in an area with no soil

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

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

• primary succession
• ecological succession
• secondary succession
• intermediate

Tags

NGSS.HS-LS2-6

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

Tags

NGSS.MS-ESS2-2

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

Tags

NGSS.HS-LS4-5

What is the name given to lichen or algae after a primary succession?

• pioneer species
• volunteer species
• founder species
• conqueror species

Tags

NGSS.MS-LS2-3

Final illustration (#8) shows

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

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4