Ecological Succession CFU - Chinwenwa Carroll | Biblioteka

Instrukcije

Answer the following questions.

1

Primary succession almost always begins with ...

A. Hard Soil

B. Bare rock

C. Dry lake bottom

D. Burned out forest

1

When one group of species is replaced with others over time, it is called ...

A. Ecological Succession

B. Evolution

C. Natural Selection

D. Climax community

1

If a forest fire completely destroys the plant and animal life in a forest, what kind of succession will eventually start restoring it.

A. Primary Succession

B. Secondary Succession

1

On a rock outcrop that has never been home to living organisms, what is likely to be the first organism to grow there?

A. Grass

B. Wildflowers

C. Algae

D. Lichen

1

Lichen is a combination of two different organisms. What are they?

A. Bacteria and Algae

B. Fungus and Bacteria

C. Mold and Mushrooms

D. Fungus and Algae

1

The first species to colonize a barren area is called a ...

A. Climax community

B. Grassland

C. Pioneer Species

D. Biome

1

About how long does secondary succession take before it reaches a climax community?

A. 5 years

B. About 100 years

C. 1000 years or more

D. A million years

1

Which statement is true about forest fires?

A. Forest fires are always bad for the ecosystem

B. Forest fires always result in primary succession

C. Forest fires can sometimes be beneficial to the ecosystem

D. Always tragic

1

If succession has reached its climax community, then in about another 500 years what will happen?

A. Primary succession will start over.

B. Secondary succession will start over.

C. The climax community will die off.

D. If left undisturbed, the climax community will remain stable.

1

Which statement is true about ecological succession?

A. Succession always results in the same climax community everywhere

B. Succession always starts with bare rock

C. Succession always ends with a pioneer species

D. The climax community will depend on where the succession is occurring.