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❓ 题目 According to the passage, which of the following best explains the concept of hysteresis in ecological systems?

A. A) The tendency of ecosystems to return to their original state after a disturbance.
B. B) The phenomenon where the recovery path differs from the degradation path, often requiring greater effort to reverse a shift.
C. C) The gradual and linear response of an ecosystem to increasing environmental stress.
D. D) The ability of an ecosystem to maintain a single stable equilibrium despite external changes.

B) The phenomenon where the recovery path differs from the degradation path, often requiring greater effort to reverse a shift.