问题详情
According to the data in Figure 3, what effect, if any,did removing the herbaceous layer h
According to the data in Figure 3, what effect, if any,did removing the herbaceous layer have on the percent distribution among the 1-year-old seedlings in the 1-hectare area of the forest? The removal of the herbaceous layer:
A.changed the percent for the northern red oak only.
B.changed the percent for the red maple and the percent for the white pine only.
C.changed the percent for each of the 5 tree species.
D.did not change the percent for any of the 5 tree species.
未搜索到的试题可在搜索页快速提交,您可在会员中心"提交的题"快速查看答案。
收藏该题
查看答案
搜题