E-PILOT 水中之豚-齒鯨演化與適應的多樣性 episode artwork

EPISODE · Jun 14, 2025 · 9 MIN

E-PILOT 水中之豚-齒鯨演化與適應的多樣性

from 雷比特生物空中講 · host 雷比特老師

水中之豚主題主要探討齒鯨亞目的多樣性演化與生態適應,特別釐清「海豚」、「江豚」和「河豚」這些常見俗名背後的分類學真相。首先介紹鯨豚類從陸地偶蹄目動物演化而來,並分化為鬚鯨與齒鯨兩大亞目,強調齒鯨擁有回聲定位聲納系統的重要性。接著,資料深入解釋不同齒鯨族群如何適應多樣棲地,從遠洋海豚到淡水江豚和河豚,許多淡水齒鯨在形態上表現出趨同演化,例如高頻聲納、體型較小、視覺退化以及長吻和可活動的頸椎等。最後明確指出「河豚」並非單一分類群,而是多個獨立演化支系的集合,所有這些都體現齒鯨在面對不同環境壓力時的演化彈性。 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/330fe23368ce Powered by Firstory Hosting

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E-PILOT 水中之豚-齒鯨演化與適應的多樣性

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