On the answer sheet, complete the figure indicating: net primary production evolution (I) in red pencil, and biomass (II) in green. Use the graph axes help.
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- 在答案卷上；完成图上的说明；用红铅笔指出净初级生产力(I)之演变；用绿笔标示生物量(II).；用图的纵；横两轴来辅助
