❓ Câu hỏi According to the passage, what was the primary observation from Paine's experiments with Pisaster ochraceus?
- A. A. The removal of Pisaster led to an increase in the population of barnacles and algae.
- B. B. The absence of Pisaster allowed mussels to dominate, reducing overall species diversity.
- C. C. The presence of Pisaster decreased the biomass of mussels but increased algal growth.
- D. D. The introduction of Pisaster caused a collapse in the intertidal community structure.