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Pre Test Quiz
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1
A rivalry between populations for the same resources is called
A)competition.
B)resource partitioning.
C)predation.
D)succession.
2
The competitive exclusion principle states that
A)two species in the same niche will eventually destroy the niche and become extinct.
B)no two species can occupy the same niche at the same time.
C)two species in the same niche will eventually evolve to share the same resources.
D)exotic species are always better than native species at exploiting resources.
3
A close association between two species in which at least one species is dependent on the other is
A)predation.
B)parasitism.
C)mimicry.
D)symbiosis.
4
All organisms that feed at the same position in a food chain or web comprise a
A)niche.
B)community.
C)species.
D)trophic level.
5
True or False: Chemical circulate through ecosystems using only living components, like food chains.
A)True
B)False





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