Question 1
1 mark在一個簡單的食物鏈中：植物 \(\rightarrow\) 蝗蟲 \(\rightarrow\) 青蛙 \(\rightarrow\) 蛇，哪一個生物屬於生產者？
Pre-Secondary One Hong Kong Attainment Test · General Studies / STEM
Classification of animals and plants; food chains: Practice Questions
3 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Classification of animals and plants; food chains.
7 questions17 marksFree, no account
Question 2
1 mark下圖顯示了四種動物的特徵。根據特徵分類，哪一種動物屬於哺乳類？
動物 A：有羽毛、卵生
動物 B：有鱗片、用鰓呼吸
動物 C：有毛髮、胎生、哺乳
動物 D：皮膚濕潤、幼體用鰓呼吸、成體用肺呼吸
Question 3
1 mark如果某一地區的森林被大量砍伐，對當地的食物鏈和環境最可能造成什麼影響？
Question 4
2 marks在食物鏈中，綠色植物通常扮演什麼角色？
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Question 5
3 marks下圖顯示了一個簡單的海洋食物鏈。請指出圖中哪一種生物屬於「生產者」（Producer），並簡述它獲取能量的主要方式。
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Question 6
5 marks若在一個封閉的生態系統中，肉食性動物的數量突然大幅減少，這對生產者的數量會有什麼初步影響？請說明推理過程。
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Question 7
4 marks在自然界的生態系統中，生物之間存在著捕食與被捕食的關係。請根據以下描述作答：
(a) 試寫出一個由「草」、「蛇」、「青蛙」和「蚱蜢」組成的食物鏈。
(b) 在上述食物鏈中，誰是「生產者」？
(c) 如果農民大量噴灑農藥導致蚱蜢數量大幅減少，這對青蛙和草的數量分別會造成什麼短期影響？
Write your answer out first, then check it against the worked solution.
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