Ecological Succession

Primary succession occurs in an area that has:

• Has Soil

• Has No Soil

• Has Some Soil

• none of these

___ are the first organisms to colonize an area and begin the process of ecological succession.

• foundational organisms

• introductory organisms

• primary organisms

• pioneer species

Which of the following is the correct order of ecological succession?

• grass - shrubs - lichens - trees

• lichens - shrubs - grasses - trees

• lichens - grasses - shrubs - trees

• grasses - lichens - shrubs - trees

All of the following contribute directly to soil formation EXCEPT

• lichens

• decomposition of organisms

• volcanic eruptions

• erosion of rock by weather

Tags

NGSS.MS-LS2-3

What is an increase of biodiversity over time, after a natural or man made disturbance?

• ecological recession

• climax recession

• ecological succession

• climax succession

Tags

NGSS.HS-LS2-2

NGSS.HS-LS4-5

What is an example of a disturbance that could bring about secondary succession?

• Humans cut down many trees in a small region

• A volcanic eruption covers a village in lava.

Tags

NGSS.MS-LS2-4

What is the term that describes a steady and stable community?

• peak community

• turf community

• climax community

• disturbed community

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

• Volcanic Eruption

• Fire

• Invasive Species

• Flood

Which is faster: Primary or Secondary Succession?

• Primary Succession

• Secondary Succession

• Both Take The Same Amount of Time

Which of the following is NOT a pioneer species?

• Shrubs

• Lichen

• Mosses

• Fungi