Which of the Following Statements About the Comparison of the Ecosystems

Multiple Choice

Which of the following statements about the comparison of the ecosystems perspective and general systems theory is TRUE?

A) Only general systems theory has been conceptually linked to the PIE perspective.
B) Only the ecosystems perspective has been conceptually linked to the PIE perspective.
C) General systems theory was developed earlier than the ecosystems perspective.
D) The ecosystems perspective was developed earlier than general systems theory.