2025newtalk 國中生物單元四 : 植物的運輸網路-維管束

詳細闡述植物的維管束系統，將其比作植物的「高鐵系統」。首先介紹維管束的兩大組成部分：負責運輸水分和礦物質的木質部（類似「自來水公司」）以及運輸光合作用產物（養分）的韌皮部（類似「甜品快遞員」）。接著，區分單子葉植物和雙子葉植物維管束的不同排列方式，解釋它們生長形態的差異，並深入探討多年生雙子葉植物的樹皮和木材結構，包括年輪的形成及其所反映的氣候資訊。最後強調維管束與人類日常生活的密切關聯，從家具、紙張到食物，展現了這一「運輸奇蹟」的重要性。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/cc3711e41b20 Powered by Firstory Hosting

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2025newtalk 國中生物單元四 : 植物的運輸網路-維管束

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