WorksheetsChanges in an Ecosystem
Total questions: 8
Worksheet time: 7mins
Name
Class
Date
1.
In a pond ecosystem, what would happen to frogs if the insect population decreased?
a)
There would be more frogs in the pond
b)
There would be more insects in the pond
c)
There would be less frogs in the pond
d)
More fish would move to the pond
2.
What non living things determines the kinds of organisms that live in ecosystems?
a)
Sun and producers
b)
Water and air
c)
Air and consumers
d)
Water and decomposers
3.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
4.
All living things are biotic
a)
True
b)
False
5.
How does too much fishing in an area affect its ecosystem?
a)
The fish will lay many more eggs to replace fish caught
b)
organisms that eat fish could become endangered due to starvation
c)
organisms that eat the fish will become endangered
d)
people could eat too many fish and become ill
6.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
7.
Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?
a)
preventing deer from depleting food resources
b)
restoring a natural habitat
c)
wildlife rangers minimizing disturbances
d)
a lumber company clearing a forest
8.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
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