EPISODE · Mar 4, 2026 · 17 MIN
2026 biology talkshow:維管束的建築學 (選修生物II)
from 雷比特生物空中講 · host 雷比特老師
解析植物維管束中輸導組織與纖維細胞的共生關係，強調木質部與韌皮部並非單一細胞，而是兼具運輸與支撐功能的複合功能小組。區分初生與次生生長的演化差異，說明隨著植物從幼苗發育為木本植物，維管束形成層如何透過木質化與工業化生產，將大量纖維織入組織結構中。利用鋼筋混凝土與捷運隧道的生動比喻，闡明纖維作為「結構穩定器」的關鍵角色，其存在的目的是為確保脆弱的輸水與輸糖管道在強大壓力下仍能保持通暢。揭示植物如何透過這種功能與強度的完美平衡，達成既能高效輸送養分又能抵抗環境風阻的演化優勢。 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://gemini.google.com/share/3adbad3ce762 Powered by Firstory Hosting
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2026 biology talkshow:維管束的建築學 (選修生物II)
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