2025newtalk 國中生物單元六: 植物的感應-漫談向性與膨壓運動

闡述植物如何透過各種「動作」對環境做出反應，儘管這些動作不像動物般明顯。首先介紹植物的「感應」能力，說明其如何在沒有神經系統的情況下感知光線、重力等刺激。接著，內容細分為兩大類運動：「向性運動」，解釋植物如何藉由生長素的調控，使根莖朝向或遠離特定刺激生長，例如向光性與向地性；以及「膨壓運動」，說明植物細胞如何透過水分進出來快速改變形狀，實現含羞草的葉片閉合或氣孔的開閉。最後也提到了其他植物感應行為，如種子萌發和開花受光週期、溫度影響，總結植物所展現的適應環境的智慧。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/4cef6316de30    Powered by Firstory Hosting

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2025newtalk 國中生物單元六: 植物的感應-漫談向性與膨壓運動

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