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Worksheets

DOL 3/1/24

Total questions: 12

Worksheet time: 18mins

Name
Class
Date
1.

Primary succession occurs in an area that has:

a)

soil

b)

no soil

c)

some soil

d)

none of these

2.

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

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

3.
Which is the correct order in primary succession?
a)
Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
b)
Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 
c)
Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
d)
Rocks, Grass, Trees, Bushes & Shrubs
4.

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

a)

Humans cut down many trees in a small region

b)

A volcanic eruption covers a village in lava.

5.
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
6.

What are the two types of ecological succession?

a)

Primary and Secondary

b)

Environmental and Natural

c)

Habitat and Community

d)

Population and Community

7.
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.
8.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
9.

Which of the following best describes primary succession?

a)

Volcano wipes out ecosystem that gradually grows back from ash covered soil

b)

Volcano creates a new island of rock that must break down to form an ecosystem

c)

Forest fire burns down forest that must bounce back over time

d)

Tornado destroys a crop that must slowly grow back over time.

10.

A species that has a disproportionately large effect on community structure relative to their abundance.

a)

Pioneer Species

b)

Invasive Species

c)

Keystone Species

d)

Foundation Species

11.

Non-native species whose introduction causes, or can cause harm in their new area

a)

Pioneer Species

b)

Invasive Species

c)

Keystone Species

d)

Foundation Species

12.
a stable ecological community that has reached equilibrium
a)

ecological succession 

b)

climax community

c)

secondary succession

d)

pioneer speciles