EPISODE · Mar 3, 2026 · 19 MIN
2026 選修生物II CH4-4-2 向性與膨壓運動之探討
from 雷比特生物空中講 · host 雷比特老師
詳細解釋植物的兩種核心運動模式：向性 (Tropism) 與 傾性 (Nastic Movement)。首先區分這兩種運動的本質，其中向性是由生長驅動、緩慢且因應刺激方向的不可逆轉變，包括追逐光源的向光性以及受重力影響的向地性。相對地，傾性則是一種由水壓變化驅動、快速且與刺激方向無關的反射性反應，例如含羞草被觸碰時的觸發傾性和氣孔的開閉調控。總結來看，向性代表植物的長期戰略性生長，而傾性則代表植物面對環境變化的即時戰術性反應。 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/f3134eea8f32 Powered by Firstory Hosting
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2026 選修生物II CH4-4-2 向性與膨壓運動之探討
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