E-PILOT 有夠鯊!! 鯊魚家族的演化與分類解密 episode artwork

EPISODE · Nov 26, 2025 · 20 MIN

E-PILOT 有夠鯊!! 鯊魚家族的演化與分類解密

from 雷比特生物空中講 · host 雷比特老師

對鯊魚的演化歷史與現代分類學進行深入解析。首先駁斥「活化石」的迷思,強調鯊魚在長達四億五千萬年的奧德賽中持續適應與演化,特別是頜骨和鰭的改良史,從原始的裂口鯊演變至現代的「新鯊類」。核心部分則詳細介紹現代鯊魚的八大目,將其劃分為演化較先進的鰕虎鯊總目 (Galeomorphii) 和保留原始特徵的角鯊總目 (Squalomorphii),並透過獨特的解剖特徵與狩獵策略(如大白鯊的區域溫血性、歐氏尖吻鯊的彈射咬合)進行辨識。最後強調儘管鯊魚具有驚人的演化韌性,但因其 K-策略生命史,現正面臨過度捕撈導致的嚴峻滅絕危機,闡明分類學是保育策略的基礎。 本內容有參考科學月刊 鯊魚的主題文章 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/d6db438d31d2 Powered by Firstory Hosting

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E-PILOT 有夠鯊!! 鯊魚家族的演化與分類解密

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