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WorksheetsEcological succession
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
What is ecological succession?
a)
A series of gradual changes after a disturbance (damage)
b)
Changes that only happen when species die
c)
A series of changes that cause a population to increase or decrease
d)
An instant change caused by a disturbance
2.
A disturbance
a)
changes the environment for a short period of time.
b)
changes the environment for a long period of time.
c)
is a slow process of organisms replacing each other.
d)
is a quick process of organisms replacing each other.
3.
____ is a type of disturbance.
a)
A fire
b)
A flood
c)
Farming
d)
All the above
4.
Changes to the climate cause _____.
a)
plant cycles to change
b)
animals move to new areas.
c)
disruption to food chains.
d)
all the above.
5.
succession that occurs in an area with no soil
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
6.
succession that occurs in an area where soil is already present
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
7.
the first organisms that appear in an ecological community
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
8.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
9.
An example of a pioneer species in primary succession is..
a)
lichens
b)
trees and shrubs
c)
grasses
d)
insects
10.
The type of succession that occurs after a volcanic event...
a)
primary succession
b)
secondary succession
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