EPISODE · Apr 5, 2026 · 21 MIN
2026 biology talkshow:植物界的遠征軍-花粉與花粉管 (選修生物II)
from 雷比特生物空中講 · host 雷比特老師
解析花粉作為植物演化傑作的多重面貌，強調其外壁由極為堅硬的孢粉素構成，使其能抵禦嚴酷環境並成為跨越千萬年的生物化石中對比風媒與蟲媒植物因傳播策略不同而演化出的微觀構造差異，如輕盈的氣囊或具黏性的突起。除了生理結構，進一步闡述孢粉學在古氣候重建、石油探勘及刑事鑑識中的關鍵應用，將微小花粉視為記錄時空的基因指紋。花粉管引導精細胞進行雙重受精的精密生理過程，展現植物繁衍的生命奧秘。 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/dc0aa46d6108 Powered by Firstory Hosting
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2026 biology talkshow:植物界的遠征軍-花粉與花粉管 (選修生物II)
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