小智要估算森林中兔子的數目,他先捉了20隻兔子,綁上項圈後再放回森林;一週後再度設置陷阱捕捉,共捉到45隻兔子,而其中有4隻帶有項圈,請問這個森林的兔子大約有多少隻?
自然七下第4~5章習題C

Quiz
•
Biology
•
7th Grade
•
Medium
Used 8+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
80隻
180隻
225隻
900隻
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問捉放法『不適合』用在估計下列哪一種生物的數量?
草地上的鬼針草
魚池中的吳郭魚
森林中的野兔
紫蝶谷的紫斑蝶
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
附圖為某地區的食物網,如果H生物突然滅絕,哪些生物的『食物來源』將直接受到影響?(複選題,需選出所有正確選項才正確)
A生物
B生物
C生物
D生物
E生物
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
附圖為某地區的食物網,請問圖中有哪些生物是次級消費者?(複選題,需選出所有正確選項才正確)
A生物
B生物
C生物
D生物
E生物
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
生物之間除了攝食與被攝食的關係,還存在許多種交互作用,請問下列選項中,屬於『寄生關係』的是哪兩種生物?
馬
水牛
獅子
牛背鷺
牛蝨
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關溪流生態系的敘述,下列何者正確?
下游水流較急,所以含氧量較低
消費者包含鳥類和魚類
生產者包含紅樹林植物
常自成一個獨立的生態系,不與其他水體相連
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿康針對學校中的生態池周邊與操場旁空地兩處,進行環境因子監測與生物種類的調查,並將結果記錄於附表。根據阿康的紀錄,請問下列哪項因素最有可能是造成兩處動物種類差異的原因?
光照強度
光照時間
溫度
溼度
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