The competitive exclusion principle states that __________.
A) two species can have the exact same niche
B) two species with identical needs cannot stably coexist
C) two species do not compete for the same resources
D) two species use non-overlapping resources
Resource partitioning does not ___________.
A) reduce interspecific competition
B) feature differential resource use
C) show how competitive exclusion occurs
D) explain how seemingly similar species can coexist
Which one of these concepts most directly implies intraspecific competition?
A) Fundamental niche
B) Net reproductive rate
C) Survivorship curves
D) Carrying capacity
Two species of birds feed on berries. The birds are active at different times of the day, and do not come into contact with one another. Nonetheless, the presence of one species limits the survival and reproduction of the other. What type of competition is this most likely to be?
Character displacement is likely to _______ the strength of competition (as measured by the effect of removing one species on the fitness of the other) between two competing species and to _______ resource partitioning.
A) increase; increase
B) decrease; increase
C) decrease; eliminate
D) increase; decrease
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