問題詳情
34. The principle of competitive exclusion states that ________
(A)competition between two species always causes extinction or emigration of onespecies.
(B)two species cannot coexist in the same habitat.
(C)two species will stop reproducing until one species leaves the habitat.
(D)two species that have exactly the same niche cannot coexist in a community.
(E)can create the new species.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增