問題詳情
36. Which of the following could qualify as a top‐down control on a grasslandcommunity?
(A)effect of grazing by bison on plant species diversity
(B)influence of soil nutrients on the abundance of grasses versus wildflowers
(C)influence of temperature on competition among plants
(D)limitation of plant biomass by rainfall amount
(E)limitation of water supply during drought season
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增