問題詳情
15.tWhat would be the expected effect on C3 and C4 plants if the atmospheric CO2 concentration was
doubled?
(A)tAll plants would have faster growth rates.
(B)tC3 plants would have faster growth rates； C4 plants would be minimally affected.
(C)tC4 plants would have faster growth rates； C3 plants would be minimally affected.
(D)tC3 plants would have faster growth rates； C4 plants would have slower growth rates.
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中