
ch20.4-20.6
Quiz
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Science
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University
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Practice Problem
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Medium
楊承芳 楊承芳
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
海洋中初級生產力最高的地區是__,而最低的地區是___。
公海,沿海
公海,近海
每個地方都一樣
沿海,公海
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
淡水生態系統中_______和________是 NPP 的主要限制因素。
陽光
養分
氧氣
浮游植物
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_______(Autochthonous organic carbon):是在生態系統中產生的,來自水生光合自養生物(植物、藻類、浮游植物)的光合作用。
本土有機碳
外來有機碳
本土無機碳
外來無機碳
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_________(Allochthonous organic carbon):是在生態系統之外產生的,來自鄰近陸地生態系統。
本土有機碳
外來有機碳
本土無機碳
外來無機碳
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
river continuum concept河流連續體概念:當溪流向下游擴展並過渡到河流時,樹木沿著河岸生長,植物、藻類和浮游植物的初級生產力增加,因此碳源主要以_____為主。
Autochthonous organic carbon
Allochthonous organic carbon
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在湖泊生態系統中,本土和外來有機碳源的相對重要性取決於 : ___________、____________
湖泊的大小跟形狀
光照強度
周圍陸地環境
水生植物多寡
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在河流連續體概念中,當溪流向下游擴展並過渡到河流下游時,導致附著藻類無法生存的主要原因是下列何者?
浮游植物的數量增加
下游的水流太緩慢
陽光充足
沒有可以附著的大型石頭
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