❓ 题目 According to the passage, what was the primary outcome of Robert Paine's experiments with Pisaster ochraceus?
- A. A) The starfish increased the population of mussels by preying on their competitors.
- B. B) Removing the starfish caused a reduction in species diversity due to mussel dominance.
- C. C) The starfish had no significant effect on the community structure of the intertidal zone.
- D. D) Competition among mussels was intensified, leading to higher biodiversity.