1. Definition of ecosystem is:
(A) The community of organisms together with the environment in which they live
(B)The abiotic component of a habitat
(C) The part of the earth and its atmosphere which inhibits living organisms
(D)A community of organisms interacting with one other
答案:登入後查看
統計: A(0), B(1), C(0), D(0), E(0) #2847239
統計: A(0), B(1), C(0), D(0), E(0) #2847239