❓ 質問 According to the passage, what was the primary effect of removing Pisaster ochraceus from intertidal zones?
- A. A. The mussel population increased, leading to a decline in species diversity.
- B. B. The starfish population recovered quickly due to reduced competition.
- C. C. The intertidal zone became more stable and diverse.
- D. D. Other predators moved in to fill the starfish's ecological role.