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Worksheets1.3 Interactions Among Living Things
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The behaviors and physical characteristics of species that allow them to live successfully in their environment are called
a)
habitats.
b)
biotic factors.
c)
limiting factors.
d)
adaptations.
2.
The struggle between organisms to survive in a habitat with limited resources is called
a)
symbiosis.
b)
competition.
c)
predation.
d)
parasitism.
3.
When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the
a)
parasite.
b)
prey.
c)
predator.
d)
host.
4.
A close relationship between two species that benefits at least one of the species is called
a)
competition.
b)
symbiosis.
c)
adaptation.
d)
natural selection.
5.
When a flea is living on a dog, the dog is the
a)
host.
b)
parasite.
c)
predator.
d)
prey.
6.
Mutualism, commensalism, and parasitism are the three types of
a)
competition.
b)
symbiotic relationships.
c)
prey adaptations.
d)
predation.
7.
A hawk building its nest on an arm of a saguaro cactus is an example of
a)
commensalism.
b)
mutualism.
c)
parasitism.
d)
predation.
8.
A tapeworm living inside a wolf's body is a
a)
predator.
b)
host.
c)
parasite.
d)
prey.
9.
Both species benefit in the type of symbiosis called
a)
mutualism.
b)
commensalism.
c)
parasitism.
d)
competition.
10.
An organism's particular role in its habitat, or how it makes its living, is called its
a)
carrying capacity.
b)
competition.
c)
ecosystem.
d)
niche.
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