問題詳情
1.tA tree in your backyard is home to two woodpeckers, three squirrels, a colony of ants, a wasp,s nest,
and millions of bacteria. Together, all of these organisms represent a/an _______ .
(A)tspecies
(B) populationt
(C) communityt
(D) ecosystem
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中