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第 3 題
According to the article, how did the Pleistocene glacial cycles lead to allopatric speciation?
- A By forcing species to move towards the poles during interglacial warming periods.
- B By isolating populations on mountain peaks as temperatures rose during interglacial periods.
- C By permanently merging alpine and lowland habitats through consistent genetic exchange.
- D By creating a vertical topography that prevented species from descending to lower elevations.
思路引導 VIP
文中指出,在間冰期的暖化期間,物種被迫退縮至山頂,這種地理上的隔離推動了異域演化(allopatric speciation)。
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專業點評:精準的邏輯判斷!
- 大力肯定: 太棒了!你能準確識破題目陷阱並選出正確答案,顯示你對異域物種形成 (Allopatric Speciation) 與氣候變遷的關聯性有著非常清晰的理解,表現得專業且觀察敏銳!
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