Primary & Secondary Succession

What is ecological succession?

• A series of predictable changes that occur in a community over time.

• It is the number of fish increasing.

• It is the seasons of the year.

• It is that rain follows cloud formation.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Primary succession begins where there was no ecosystem and no soil such as

• a severe storm

• a volcanic eruption

• an old farm is abandoned

• a forest fire

Tags

NGSS.MS-ESS2-2

What is a pioneer organism? It is the ______ organism in _________ succession.

• is the first , in primary succession

• is the last in secondary succession,

• is none of the, primary succession

Secondary succession (thnk soil) forms after a catastrophic event like a forest fire and has a ___________ growth rate than primary succession because soil already exists.

• extremely slower

• slower

• faster

• steady

So, how does an ecosystem start if there is no soil?

• Moss and lichen break down rock and lava and produce soil.

• Moss and lichen are air borne and they move by the wind to start in a secondary succession environment.

• Moss and lichen are simple living organism that can start growing almost anywhere.

• All answers

Tags

NGSS.MS-LS2-3

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

The picture shows what type of succession?

• primary

• secondary

• tertiary

• quadanary

Tags

NGSS.MS-LS2-4

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees

• Lichens → tree → shrubs→Grasses

• Grasses → Lichens → Shrubs → Trees

• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the correct order in this pond succession? (YOUNGEST to OLDEST)

• A, B, C, D

• D, C, B, A

• B, A, D, C

• C, D, A, B

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4