changes in ecosystems

Natural disasters such as flooding and tornadoes are linked to ________________.

• primary
• secondary
• old field
• ecosystem

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

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.HS-ESS2-7

NGSS.HS-LS2-6

What is formed during primary succession that doesn't need to be formed during secondary succession?

• pioneer species
• soil
• climax community
• lichens

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

• primary succession
• eutrophication
• secondary succession
• intermediate

Tags

NGSS.HS-LS2-6

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

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

Tags

NGSS.MS-LS2-4

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-ESS2-2

NGSS.MS-LS2-4

succession that occurs in an area with no soil

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

succession that occurs in an area where soil is already present

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

starts with bare rock followed by lichen

• primary succession 
• secondary succession
• both types of succession

Tags

NGSS.MS-LS2-4

this type of succession occurs after a forest fire

• primary succession
• secondary succession
• both

Tags

NGSS.MS-LS2-4