2026 選修生物II CH4-1-4 植物受精至果實種子發育

詳盡介紹被子植物從開花受精到種子散播的完整生命週期。內容主要涵蓋三個核心階段：第一階段闡述雙重受精的獨特機制，解釋胚（新生命）與胚乳（營養組織）的形成過程，並描述種皮如何提供保護；第二階段則聚焦於子房轉變為果實的過程，說明果實、種皮與胚乳三者在染色體上的世代差異（2n、2n、3n），並介紹真果、偽果、肉果、乾果等多種果實分類；最後，概述種子傳播的多種演化策略，包括依賴風、水、動物（通過取食或附著）以及自體爆裂等方式，強調種子遠離母株的重要性及其面臨的現代生態挑戰。聽完後可以自主進行線上測驗，檢視學習成效喔~(需要登入gemini) 測驗網址  https://g.co/gemini/share/e8f721da6ccc Powered by Firstory Hosting

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2026 選修生物II CH4-1-4 植物受精至果實種子發育

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