35. Food chains tend to be short because ______
(A)most producers are inedible.
(B)local extinction of a species causes extinction of the other species in its food chain.
(C)most of the energy in a trophic level is lost as energy passes to the next higher level.
(D)only a single species of herbivore feeds on each plant species.
(E)most consumers are herbivore.

答案:登入後查看
統計: A(2), B(2), C(30), D(0), E(0) #3149495

詳解 (共 1 筆)

#7036788
1. 題目解析 這道題目探討食物鏈的長...
(共 866 字,隱藏中)
前往觀看
0
0