In the late 1960's, Robert Paine conducted landmark studies on diversity in the rocky intertidal zone, comparing the species diversity in control plots with diversity in experimental plots from which he removed the top predator, sea stars

After 5 years, 15 species of
intertidal invertebrates lived in the control plots, while the experimental plots were dominated
by only two species, one mussel and one barnacle. The process most likely responsible for
the loss of species diversity in the experimental plots was:
A. mutualism.
B. predation.
C. competitive exclusion.
D. parasitism.
E. resource partitioning.


C

Biology & Microbiology

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