3. To measure species diversity in a community, you need to know
(A) the number of species.
(B) the relative abundance of each species.
(C) the physical size of each species.
(D) both A and B
(E) A, B, and C

答案:登入後查看
統計: A(2), B(4), C(6), D(34), E(11) #2189315