E-PILOT 遊認有魚~提塔立克魚:脊椎動物登陸的演化橋樑 episode artwork

EPISODE · Dec 15, 2025 · 14 MIN

E-PILOT 遊認有魚~提塔立克魚:脊椎動物登陸的演化橋樑

from 雷比特生物空中講 · host 雷比特老師

詳細介紹提塔立克魚(Tiktaalik roseae)這種重要的演化過渡物種,牠生活在約 3.75 億年前的泥盆紀晚期。解釋古生物學家如何根據地質與時間預測在北極圈找到此化石,並指出提塔立克魚結合魚類與原始四足動物的特徵。關鍵證據包括其強壯的肋骨、可轉動的脖子,以及最驚人的帶有手腕結構的胸鰭,使其能夠做出類似伏地挺身的動作。研究強調,這些特徵最初是為了應對淺水缺氧的環境(稱為「前適應」),而非一開始就為登陸而演化,且後期研究更發現牠擁有強壯的骨盆,表明「四輪驅動」的能力在登陸前就已具備。 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/5ebc837bd2d0 Powered by Firstory Hosting

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E-PILOT 遊認有魚~提塔立克魚:脊椎動物登陸的演化橋樑

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