Changes in Ecosystems

What has changed from A to B?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Is ecological succession when one ecological community quickly changes into another?

• yes

• no

Tags

NGSS.MS-LS2-4

What is a climax community?

• a community that is at the top

• a community that is changing often

• a community that is stable

• a community that has new populations

Where does primary succession start?

• on land with lots of trees and animals

• on land that was previously farmed

• on new land with little or no soil

• under the sea

Tags

NGSS.MS-LS2-4

What is the correct order for primary succession?

• ABCD

• BCDA

• DABC

• CDAB

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where does secondary succession start?

• where land is new with new soil

• in areas where land has been disrupted

• in land with lots of trees and animals

• underwater

Tags

NGSS.MS-LS2-4

What is the correct order of secondary succession?

• 1234

• 3241

• 4312

• 2134

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What has causes this aquatic ecosystem to change into a land ecosystem?

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

What are the causes of eutrophication?

• decaying organisms

• fertilisers

• plants

• waste materials

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

When an ecosystem is balanced, it is called:

• a climax community

• ecological succession

• dynamic equilibrium

• eutrophication

Tags

NGSS.MS-LS2-4