Changing ecosystems Quiz

Ecological succession can begin when seeds are carried to bare areas by birds or the wind. Is this statement true or false?

• True

• False

Ecological succession in new areas of land with little or no soil is known as what type of succession?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

If an existing ecosystem is destroyed, what type of succession typically occurs?

• Primary succession

• Secondary succession

• Climax community comes into existence

• A different type of biome emerges

How does eutrophication speed up succession in aquatic environments?

• The algae use so much of the oxygen in the water that fish die, decay, and add to the build-up of soil.

• The algae become soil.

• The growth of the algae causes pollution to increase.

• The presence of the algae encourages sediment to drop out of streams into the pond.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What is the end product of aquatic succession?

• A new marine ecosystem

• A new terrestrial ecosystem

• A new aquatic ecosystem

• A new forest ecosystem

When a pasture gradually returns to a forested state, this process is known as what?

• Primary succession

• Secondary succession

• Tertiary succession

• Climax succession

Tags

NGSS.MS-LS2-3

What is the difference between primary succession and secondary succession?

• Primary succession starts with bare rock, while secondary succession starts with existing soil.

• Primary succession involves animals only, while secondary succession involves plants only.

• Primary succession occurs after a volcanic eruption, while secondary succession never follows natural disasters.

• Primary succession is faster than secondary succession.

Tags

NGSS.MS-LS2-3

What role do lichens play in helping to create soil during primary succession?

• They break down rocks to form soil.

• They prevent erosion by covering the rock surfaces.

• They absorb water to keep the soil moist.

• They attract animals that contribute to soil formation.

Tags

NGSS.MS-LS2-3

What type of succession occurs after lava covers the land?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

You play baseball in a field at the park where the grass is mowed all summer. What type of succession would occur if no one mowed the grass at all?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1