2025 biology talkshow: 植物初級與次級生長的協奏  episode artwork

EPISODE · Nov 17, 2025 · 20 MIN

2025 biology talkshow: 植物初級與次級生長的協奏

from 雷比特生物空中講 · host 雷比特老師

提供一篇關於植物生長的詳細論述,主要區分植物用來「增高」與「長胖」的兩種關鍵策略:初級生長與次級生長。解釋初級生長是由頂端分生組織(位於莖尖和根尖)主導的垂直生長,負責探索環境並建立基本結構;而次級生長則由側生分生組織(如維管束形成層)控制,負責增加植物的橫向厚度、形成木材,提供堅固的結構支持。此外,說明這兩種生長模式的起源、功能差異、在不同植物類群中的分佈,並強調它們是相互協作的,最終造就參天大樹並在固碳方面扮演著重要的氣候調節角色。也特別提到如棕櫚樹等單子葉植物的「假長胖」現象,作為次級生長的例外情況。 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/2152af28f3a2 Powered by Firstory Hosting

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2025 biology talkshow: 植物初級與次級生長的協奏

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