Multiple Choice
Which of the following is true of an ecosystem?
A) An ecosystem is always relatively small.
B) Changes in one part of an ecosystem will always produce changes in the other parts.
C) Human-induced changes in an ecosystem seldom have a major negative effect.
D) A self-sufficient ecosystem interacts with other ecosystems at the overlap of their borders.
Correct Answer:

Verified
Correct Answer:
Verified
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