2026 選修生物II CH4-2 植物種子萌發與幼苗生長 episode artwork

EPISODE · Mar 2, 2026 · 31 MIN

2026 選修生物II CH4-2 植物種子萌發與幼苗生長

from 雷比特生物空中講 · host 雷比特老師

介紹種子的生物學奇蹟及其對人類文明的重要性。首先將種子比喻為一個「沉睡的巨人」或「生命膠囊」,並強調種子是人類飲食與文化的基石。接著,詳細解析種子的核心構造,包括作為微縮植物模型的胚、負責提供能量的營養儲備(如胚乳或子葉),以及提供保護的種皮。也深入探討了種子賴以生存的休眠機制,以及觸發萌發的四大外部要素:水、氧氣、溫度和光線。說明植物賀爾蒙(如加速器吉貝素與煞車離層素)如何精準調控萌發過程,並根據單雙子葉植物介紹了破土而出的兩種不同生長方式,最終描述幼苗如何完成從依賴到獨立光合作用的成年禮。 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/9a3e55b60f01 Powered by Firstory Hosting

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2026 選修生物II CH4-2 植物種子萌發與幼苗生長

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