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Which situation could cause an ecosystem to lose its equilibrium?

A. Competition among species
B. Interdependence among species
C. Arrival of a nonnative species
D. An increase in the population of a keystone species

1 Answer

9 votes

Answer: C

Explanation: the ecosystem is metastable, so an increase in the keystone species would be accommodated. Introductionof a nonnative species is likely to generate significant biotic change to the environment.

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