One of the conclusions that can be drawn from this scenario is that .
A) once humans change one thing in an ecosystem, they may find unexpected results occurring elsewhere in the ecosystem
B) predators were unimportant components of this ecosystem; their removal caused no subsequent problems
C) prairie dogs were unimportant components of this ecosystem; their removal caused no subsequent problems
D) prairie dogs were part of a negative feedback loop once they were removed
E) cattle improved the soils, contributing to this ecosystem
Correct Answer:
Verified
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