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❓ 题目 According to the passage, why is biodiversity important for ecological resilience?

A. A. It ensures that an ecosystem returns to its original equilibrium state after a disturbance.
B. B. It provides functional redundancy, which helps buffer the ecosystem against environmental change.
C. C. It eliminates the need for managing stressors like overfishing or nutrient loads.
D. D. It guarantees that coral reefs will recover from bleaching without external intervention.

B. It provides functional redundancy, which helps buffer the ecosystem against environmental change.