In a lake, a certain native species of zooplankton is found evenly distributed in the water column. After introduction of

a different species of zooplankton, the native species is only found in the shallow water zone. This is most likely an
illustration of:
a. character displacement.
b. species richness.
c. primary succession.
d. secondary succession.
e. competitive exclusion.


ANSWER: e

Biology & Microbiology

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