問題詳情
25 Keystone predators function as biological linchpins—without them, ecosystems will plunge into chaos.
(A) Without the major function of predators, ecosystems will malfunction gradually.
(B) Powerful predators function properly with the hope of maintaining the stability of ecosystems.
(C) Ecosystems will be properly maintained if major predators no longer function.
(D) Major predators are key players in maintaining the order of ecosystems.
參考答案
答案：D
難度：適中0.56
統計：A(5),B(5),C(1),D(14),E(0)
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參考:關鍵掠食者們發揮著其在生態系統中重要支柱的角色，若沒有他們則生態系統將會很快陷入混亂。keystone predator 生態中具關鍵地位的物種(通常指金字塔上方的掠食者)。linchpin重要支柱或關鍵之意。plunge into 積極/迅速/快速地(進行或發生某事)。