問題詳情
5. Net primary production (NPP) is________.
(A) amount of solar energy captured by algae in oceans and converted into the biomass.
(B) total primary production by all primary producers in the ecosystem.
(C) the amount of biomass, produced by autotrophs, which is available to the consumers in the ecosystem.
(D) the amount of biomass produced by heterotrophic consumer organisms.
(E) none of the above.
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