WorksheetsUnit 2: Ecosystems
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What are decomposers in an ecosystem?
a)
The make food from sunlight.
b)
They consume food energy.
c)
They release food energy back into the ecosystem.
d)
They do not need food energy.
2.
Which of the following bodies of water is lotic?
a)
wetland
b)
marsh
c)
river
d)
lake
3.
Which of the following food chains IS possible?
a)
Algae --> Daphnia --> Small Fish --> Frog
b)
Daphnia --> Guppy --> Snail
c)
Frog --> Small Fish --> Daphnia --> Algae
d)
Algae --> Frog --> Daphnia --> Small Fish
4.
Which organism is both a prey and predator?
a)
Grass
b)
Owl
c)
Snake
d)
Caterpillar
5.
If you study ONE BLACK BEAR then you are studying what?
a)
Population
b)
Organism
c)
Community
d)
Ecosystem
6.
If you are studying ALL the living and nonliving things you are studying the what?
a)
Organism
b)
Community
c)
Population
d)
Ecosystem
7.
If you are studying ALL the black bears in a rainforest you are studying the what?
a)
Ecosystem
b)
Organism
c)
Population
d)
Community
8.
Which are the Consumers?
a)
Sun
b)
Lion
c)
Lion and Deer
d)
Grass
9.
Which organisms are usually producers?
a)
Plants
b)
Sun
c)
Caterpillars
d)
Snakes
10.
Why will we not run out of fresh water on Earth?
a)
Carbon Cycle
b)
Water Cycle
c)
Ecosystems
d)
Pollution
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