❓ 質問 According to the passage, what was the main outcome of Robert Paine's experiments with Pisaster ochraceus?
- A. A. The removal of the starfish increased overall species diversity in the intertidal zone.
- B. B. The absence of the starfish allowed mussels to dominate, reducing species diversity.
- C. C. Physical factors were shown to be the primary determinants of community structure.
- D. D. The starfish was found to be the most abundant species in the rocky intertidal zone.