Re: [問題] 請問一題生態

看板post-b.test作者 (海底的翻車魚)時間13年前 (2011/05/26 14:29), 編輯推噓4(401)
留言5則, 5人參與, 最新討論串2/2 (看更多)
※ 引述《gnuje (yi)》之銘言: : 想請教一題生態的題目 : Which of the following ecosystems would likely have a larger net primary : productivity/hectare? : (A) Open ocean because of the total biomass of photosynthetic autotrophs : (B) Grassland because of the small standing crop biomass that results from : consumption by herbivores and rapid decomposition : (C) Tropical rainforest because of the massive standing crop biomass and : species diversity. : (D) Cave due to the lack of photosynthetic autotrophs : (E) Tundra because of the incredibly rapid period of growth during the : summer season. : 正確答案給的是 B : 我想問的是 C : 一般來說單位面積下的淨初級生產力不是應該是熱帶雨林最高嗎?? : 是答案錯了還是我有漏想什麼 : 謝謝 Although a forest has a large standing crop, its net primary production may actually be less than that of some grasslands; grasslands......... canmpbell 9 p1267 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 111.252.90.157

05/26 15:15, , 1F
cam......
05/26 15:15, 1F

05/26 21:44, , 2F
文中用"may" 而且感覺就在斷章取義(如果答案是B)= =
05/26 21:44, 2F

05/26 22:45, , 3F
很多題目都馬這樣出...= =
05/26 22:45, 3F

05/26 23:29, , 4F
據說:是因為還要扣掉"呼吸作用"~森林呼吸>>>草原
05/26 23:29, 4F

05/27 09:33, , 5F
好像有些題目就是這樣出....
05/27 09:33, 5F
文章代碼(AID): #1DtVDU5P (post-b.test)
討論串 (同標題文章)
文章代碼(AID): #1DtVDU5P (post-b.test)