問題詳情
17.下列有關河口生態系特色之敘述,何者正確?
(A)河口位於河海交界處,由於河水沖刷,所以環境中營養物質缺乏,汙染物也較少
(B)河口區水位與鹽分變化不大,故吸引很多水鳥來此覓食
(C)消費者有沙蠶、螃蟹、魚、蝦及貝類等,他們會直接啃食生產者,並以生物的遺體或其碎屑為食
(D)有些植物有特殊的構造來適應此區的環境,例如水筆仔具有胎生苗與支持根等構造
(A)河口位於河海交界處,由於河水沖刷,所以環境中營養物質缺乏,汙染物也較少
(B)河口區水位與鹽分變化不大,故吸引很多水鳥來此覓食
(C)消費者有沙蠶、螃蟹、魚、蝦及貝類等,他們會直接啃食生產者,並以生物的遺體或其碎屑為食
(D)有些植物有特殊的構造來適應此區的環境,例如水筆仔具有胎生苗與支持根等構造
參考答案
答案:D
難度:計算中-1
書單:沒有書單,新增
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