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2026newtalk 國中生物 單元十:  生物間的社交距離-掠食、競爭與共生的愛恨情仇 episode artwork

EPISODE · Feb 7, 2026 · 12 MIN

2026newtalk 國中生物 單元十: 生物間的社交距離-掠食、競爭與共生的愛恨情仇

from 雷比特生物空中講 · host 雷比特老師

探討自然界生物間的生存互動與「社交距離」,主要歸納為三種關係: • 掠食(Predation):如鳳頭蒼鷹捕獵,屬於「一方獲利、一方死亡」的殘酷博弈,掠食者通常具備快狠準的特徵。 • 競爭(Competition):如外來種家八哥排擠本土八哥,是雙方皆受損的資源爭奪戰。 • 共生(Symbiosis):包含雙贏的互利共生(如螞蟻與蚜蟲)以及單方受益的片利共生(如山蘇附生大樹)。 特別深入剖析寄生(Parasitism)的「剝削藝術」。不同於直接殺死獵物的掠食者,寄生者(如蚊子、菟絲子)傾向長期利用宿主資源而不致死。透過蚊子精密口器的運作機制,揭示這種以宿主為「營養庫」的精緻生存策略。 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/d136910f4780 Powered by Firstory Hosting

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2026newtalk 國中生物 單元十: 生物間的社交距離-掠食、競爭與共生的愛恨情仇

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