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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.
 

 1. 

Over millions of years, plants and their pollinators have
a.
coevolved.
c.
become parasites.
b.
crossbred.
d.
become competitive.
 

 2. 

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

 3. 

The relationship between a whale and barnacles growing on its skin is an example of
a.
commensalism.
c.
mutualism.
b.
competition.
d.
parasitism.
 

 4. 

Which of the following usually results when members of the same species require the same food and space?
a.
primary succession
c.
secondary succession
b.
competition
d.
interspecific competition
 

 5. 

many fish : shallow-ocean-water habitat ::
a.
nutrients : deep-sea waters
b.
plankton : deep-sea-water habitat
c.
plankton : open-sea surface habitat
d.
animals producing own light : shallow-ocean-water habitat
 



 
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