問題詳情
30. Which of the following situations dose NOT increase species diversity in a cornmunity?
(A) predation by keystone species.
(B) habitat heterogeneity.
(C) competitive exclusion.
(D) moderate disturbances.
(E) immigration of species.
參考答案
答案：C
難度：適中0.461538
統計：A(2),B(0),C(6),D(1),E(0)