問題詳情
50. The most plausible hypothesis to explain why species richness is higher in tropical
than in temperate regions is that
(A) tropical communities are younger
(B) tropical regions generally have more available water and higher levels of solar
radiation
(C) higher temperatures cause more rapid speciation
(D) tropical regions have very high rates of immigration and very low rates of
extinction
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增