問題詳情
52. A larvae of certain fly lives on body surface of a dog feeding on host’s skin. What will be the ecological position of thiscreature?
(A) primary consumer
(B) secondary consumer
(C) tertiary consumer
(D) producer
(E) decomposer
參考答案
答案：C
難度：適中0.4
統計：A(0),B(4),C(4),D(0),E(1)