❓ 문제 According to the passage, what is a key consequence of removing the starfish Pisaster ochraceus from the intertidal zone?
- A. A. The mussel population decreased dramatically.
- B. B. Species diversity increased due to new habitat availability.
- C. C. Mussels outcompeted other species, leading to reduced diversity.
- D. D. The ecosystem became more stable and resistant to change.