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WorksheetsChapter C2: Interactions in Ecosystems
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is an organism that gets its food through eating other sources?
a)
Consumer
b)
Producer
c)
Autotroph
d)
Decomposers
2.
What is an organism that breaks down & absorbs dead matter so nutrition can be recycled into the soil?
a)
Consumer
b)
Decomposer
c)
Producers
d)
Scavenger
3.
What is an organisms that makes its own food?
a)
Consumer
b)
Decomposer
c)
Producer
d)
Scavenger
4.
A producer is a (n) ______________.
a)
heterotroph
b)
omnitroph
c)
autotroph
d)
oscartroph
5.
A consumer is a __________.
a)
heterotroph
b)
autotroph
c)
omnitroph
d)
consumotroph
6.
A relationship in which one organism benefits and the other is unaffected.
a)
mutualism
b)
parisitism
c)
symbiosis
d)
commensalism
7.
A relationship in which two organisms benefit from the actions of each other.
a)
sharingism
b)
mutualism
c)
parasitism
d)
commensalism
8.
A relationship in which one organism is harmed while the other benefits.
a)
parasitism
b)
commensalism
c)
ouchyism
d)
mutualism
9.
Clown fish and a sea anemone are an example of what kind of relationship?
a)
mutualism
b)
parasitism
c)
commensalism
10.
An alligator and a plover bird are an example of what kind of relationship?
a)
mutualism
b)
parasitism
c)
commensalism
d)
idontcareism
11.
What kind of organism comes last in every food chain?
a)
sun
b)
producer
c)
predator
d)
decomposer
12.
What is the source of energy for all producers?
a)
sun
b)
wind
c)
Earth
d)
rain
13.
Which organism is a producer?
a)
mouse
b)
phytoplankton
c)
fox
d)
vulture
14.
Which organism is a scavenger
a)
hawk
b)
deer
c)
plant
d)
mushroom
15.
Which organism is a predator?
a)
fox
b)
field mouse
c)
grass
d)
vulture
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