EPISODE · Feb 24, 2026 · 23 MIN
2026 選修生物II CH4-1-1 植物生命史詩-世代交替
from 雷比特生物空中講 · host 雷比特老師
探討植物獨特的生命週期，稱為世代交替，其特徵是兩種多細胞個體的交替出現。詳述植物生命中的兩位主角：負責強大生長和進行減數分裂的雙倍體孢子體 (2n)，以及由孢子發育而來、負責產生配子的單倍體配子體 (n)。解釋孢子體與配子體如何透過受精作用和孢子形成來完成生命循環，並追溯植物在演化史上，從早期苔蘚時代以配子體為主，到種子植物時代以孢子體君臨天下的角色逆轉。最終總結這種雙面生活策略在遺傳穩定性與環境適應性上的關鍵演化優勢。 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://g.co/gemini/share/38bd2fa02e05 Powered by Firstory Hosting
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2026 選修生物II CH4-1-1 植物生命史詩-世代交替
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