第 1 題
1 分Large-scale deforestation in tropical areas is a major concern for ecologists. What is the primary biological consequence of this activity according to the syllabus?
Oxford AQA IGCSE · CORE Biology (9221)
人類活動對生態系與生物多樣性的影響：練習題
4 條多項選擇題即時批改，另有 3 條文字題附完整解題步驟，全部圍繞「人類活動對生態系與生物多樣性的影響」。
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第 2 題
1 分Which statement best explains why large-scale deforestation in tropical areas leads to a significant reduction in biodiversity?
第 3 題
1 分In a lake ecosystem, an excess of nitrate ions from fertilisers leads to a rapid growth of algae on the surface. How does this specifically lead to the death of fish in the lake?
第 4 題
1 分Large-scale deforestation in tropical regions has several significant environmental impacts. Which of the following is a direct consequence of deforestation according to the syllabus?
第 5 題
5 分Large-scale deforestation in tropical regions is a significant human interaction with ecosystems. Explain exactly how this process leads to a reduction in biodiversity and name one specific impact it has on the Earth's atmosphere.
先自己寫一次答案，再對照解題步驟。
第 6 題
6 分Explain how eutrophication, caused by the run-off of fertilisers into a lake, leads to the death of aerobic organisms such as fish.
先自己寫一次答案，再對照解題步驟。
第 7 題
5 分Explain why global warming, attributed to increasing levels of carbon dioxide and methane in the atmosphere, may lead to the extinction of certain species, referring to changes in migration and geographical distribution.
先自己寫一次答案，再對照解題步驟。
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