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Ecological Succession Check For Understanding

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

The two types of succession are

a)

primary + climax

b)

primary + secondary

c)

secondary + climax

2.

Which type of succession would occur after a major flood?

a)

both would occur

b)

primary

c)

secondeary

3.

What are the first organisms to inhabit an area after a disturbance called?

a)

pioneer species

b)

insects

c)

grasses

4.

Which type of succession happens faster?

a)

secondary

b)

both occur the same

c)

primary

5.

The final stage of ecological succession is the

a)

field

b)

climax community

c)

forest

6.

Which type of ecological succession would occur after a disturbance that left the soil behind?

a)

climax community

b)

secondary

c)

primary

7.

Which of these species would be considered a pioneer species?

a)

lichens

b)

insects

c)

small animals

8.

Which of these species would occur first in secondary succession?

a)

insects

b)

grasses

c)

climax community

9.

What do the pioneer organisms produce in primary succession?

a)

water

b)

bacteria

c)

soil

10.

Which type of succession occurs after a forest fire?

a)

none -the soil is ruined

b)

primary

c)

secondary

11.

A volcano erupts in the ocean forms a new island. Which type of succession will this be?

a)

primary

b)

secondary

c)

volvanic

12.

What type of succession occurs after a glacier retreats?

a)

secondary

b)

climax community

c)

primary

13.

Which of these would occur first in primary succession?

a)

shrubs

b)

lichen

c)

grasses

14.

Which of these would occur first in secondary succession?

a)

shrubs

b)

lichens

c)

grasses

15.

A farmer stopped mowing his field. Over time the field will most likely become a __

a)

forest

b)

lake

c)

field - nothing will change4

16.

Which one appears first?

a)

insects

b)

grasses

c)

large mammals

17.

Any change over time in the numbers and types of organisms in an ecosystem is ___

a)

succession

b)

evolution

c)

growth

18.

Ecological succession ALWAYS ends with a final, stable state

a)

True

b)

False

19.

_________ helps to weather rock to form soil in primary succession.

a)

Volcanoes and glaciers

b)

Abiotic factors

c)

Grazing mammals