EPISODE · May 18, 2025 · 9 MIN
2025 biology talkshow : 殼中演化物語-鸚鵡螺與菊石大認親
from 雷比特生物空中講 · host 雷比特老師
探討菊石與鸚鵡螺這兩種頭足類動物，雖然牠們外形都具有螺旋狀外殼且都屬於古老的頭足綱，但實際上在演化歷史、身體結構和生態策略上存在顯著差異。 文章指出，菊石亞綱的菊石在中生代，特別是中生代（特別是侏儸紀與白堊紀）時期達到繁盛，而鸚鵡螺屬於較早分化的鸚鵡螺亞綱。 詳細比較兩者殼體內部構造，例如菊石複雜的隔膜縫線與鸚鵡螺簡單的縫線，並推測兩者在軟體構造及生態習性上的不同。 也說明菊石因快速演化成為重要的指準化石，並提及鸚鵡螺因生活習性在白堊紀末大滅絕中倖存下來，而菊石卻走向滅絕。 Powered by Firstory Hosting
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2025 biology talkshow : 殼中演化物語-鸚鵡螺與菊石大認親
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