Seven Point Five

What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?

• A, B, C, D

• D, C, B, A

• B, A, D, C

• C, D, A, B

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

A climax community is reached

• at the beginning of succession

• in the middle of succession

• at the end of succession

• when an ecosystem is destroyed

A logger clears a forest and the forest re-grows over many subsequent years. Which type of succession represents the regrowth of this forest?

• Primary succession

• Secondary succession

• Pioneer species

• Climax community

After a natural disaster, like a hurricane, what will happen to the damaged ecosystem?

• Nothing; it will remain uninhabited.

• A new, completely different ecosystem will evolve

• An ecosystem like the previous one will be re-established.

• No one really knows what to expect after a natural disaster

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Organisms that are the first to move into an area, and begin forming soil for an ecosystem, are known as

• pioneer species

• endemic species

• a climax community

• invasive species

Tags

NGSS.MS-LS2-4

Which of the following statements is not true of secondary succession?

• moss and lichens must be present

• occurs after a distrubance

• begins with soil

• ends in a climax community

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The first organisms to move into an ecosystem are known as __________, such as mosses.

• invasive species

• pioneer species

• climax community

• origin species

What is an example of an area that is likely to undergo primary succession?

• Glaciers melt and leave exposed rock

• Plants die from drought and decompose

• Land is bulldozed and soil remains

Tags

NGSS.MS-ESS2-2

What type of disturbance can be beneficial to ecosystems and communities?

• Volcanic Eruption

• Fire

• Invasive Species

• Flood