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Bio 12E: Investigate and explain the interactions in an ecosystem

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 
 
The diagrams below show different kinds of interactions between species.
bio12e-02_files/i0020000.jpg
 

 1. 
Refer to the illustration above. The relationship shown in diagram 2 is
a.
commensalism.
c.
mutualism.
b.
competition.
d.
parasitism.
 

 2. 
The relationship between plants and the bees that pollinate them is an example of
a.
commensalism.
c.
mutualism.
b.
competition.
d.
parasitism.
 

 3. 
An organism’s niche includes
a.
what it eats.
c.
when it eats.
b.
where it eats.
d.
All of the above
 

 4. 
If the niches of two organisms overlap,
a.
the organisms may have to compete directly.
b.
the two organisms will always form a symbiotic relationship.
c.
both organisms will disappear from the habitat.
d.
one organism usually migrates to a new habitat.
 

 5. 
Organisms with light-producing body parts would most likely be found in
a.
the deep-water zone of lakes.
c.
open ocean surfaces.
b.
shallow ocean waters.
d.
deep ocean waters.
 



 
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