問題詳情
11. Gross primary productivity is higher than net primary productivity. The difference between thetwo is
(A) The amount of energy producers burn when they metabolize.
(B) Typically the ratio between the biomass of producers and the biomass of consumers.
(C) An important measure of ecosystem productivity.
(D) Energy that is lost into outer space due to metabolic inefficiencies.
(E) EerBy that is stored in plant tissues.
參考答案