❓ 質問 According to the passage, what was the primary finding of Robert Paine's experiment with the starfish Pisaster ochraceus?
- A. A. The starfish directly increased the population of mussels by preying on them.
- B. B. Removing the starfish led to a decline in mussel numbers and increased diversity.
- C. C. The presence of the starfish allowed for greater species diversity by controlling mussel populations.
- D. D. The starfish had a small effect on the community because it was not numerically dominant.