EPISODE · May 23, 2026 · 16 MIN
2026 biology talkshow:藍圖與脊梁-解密脊索動物門 (國中生物 單元九)
from 雷比特生物空中講 · host 雷比特老師
深度解析脊索動物門長達五億年的演化歷程,強調該門類並非僅限於大眾熟知的脊椎動物。詳述構成此門類的四項核心特徵:脊索、背側中空神經管、咽囊與鰓裂以及肛後尾,並解釋這些構造在不同物種發育階段的變化。透過對比海口魚化石與現代生物,文中區分尾索動物(如海鞘)、頭索動物(如文昌魚)及脊椎動物三者截然不同的生存策略。這場演化競賽展現了生命如何從寒武紀的微小生物,轉化為擁有複雜大腦與強大骨骼的頂級掠食者。 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/9eb00aea4b37 Powered by Firstory Hosting
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2026 biology talkshow:藍圖與脊梁-解密脊索動物門 (國中生物 單元九)
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