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DOL Primary Succession

Total questions: 11

Worksheet time: 19mins

Name
Class
Date
1.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
2.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
3.

What type of succession is this?

a)

Primary succession

b)

Tertiary succession

c)

Secondary succession

d)

Variable succession

4.

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

a)

peak community

b)

turf community

c)

climax community

d)

disturbed community

5.

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

a)

Glaciers melt and leave exposed rock

b)

Plants die from drought and decompose

c)

Land is bulldozed and soil remains

6.

What is primary succession?

a)

The recovery of an ecosystem after a disturbance

b)

The initial establishment of an ecosystem where none existed before

c)

The seasonal change in ecosystems

d)

The migration of species from one biome to another

7.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
8.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Shrubs → Trees → Grasses → Lichens
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
9.

Which of the following is NOT a pioneer species?

a)

Shrubs

b)

Lichen

c)

Mosses

d)

Fungi

10.

Place the following stages in the correct order from early to late succession.

a)

Lichens

b)

Grasses and small plants

c)

Shrubs

d)

Large variety of trees/bushes

e)

Climax community

1)
2)
3)
4)
5)
11.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species