解析 C。解析:文中提到“When certain species disappear, it can disrupt the balance of these ecosystems. For instance, if a keystone species is lost, it can have a domino effect on other species and the overall functioning of the ecosystem.”,所以关键物种的消失会导致生态系统的破坏。
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A letter to the editor is presented in response to the article "Determining Keystone Species," by L. Khanina in the 1998 issue.doi:10.5751/ES-00118-0301r04Stefano PirainoGiovanni FanelliResilience AllianceConservation EcologyPiraino S, Fanelli G. 1999. Keystone species: what are we talking about...
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