2025 biology talkshow: 重口味的生物學-吃大便的食糞行為! episode artwork

EPISODE · Dec 12, 2025 · 16 MIN

2025 biology talkshow: 重口味的生物學-吃大便的食糞行為!

from 雷比特生物空中講 · host 雷比特老師

全面探討食糞行為(Coprophagy)的演化策略與生理機制,指出這並非怪異行徑,而是生命為對抗熱力學第二定律、追求極致資源利用的表現。區分廣義的食糞與特指草食動物如兔子進行的食盲腸便(Cecotrophy),解釋後者是小型後腸發酵動物解決營養素(如維生素和微生物蛋白)在盲腸合成後無法被小腸吸收的解剖學困境。此外,闡述這種行為在傳承生命中的關鍵作用,例如無尾熊幼崽必須攝取母親的特殊糞便(Pap)來獲取消化尤加利葉所需的腸道微生物菌群。最後,提及糞金龜在生態循環中的重要性以及家犬食糞的可能原因(包括衛生、隱藏氣味和行為因素)。 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/651001b7ad23 Powered by Firstory Hosting

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2025 biology talkshow: 重口味的生物學-吃大便的食糞行為!

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