2025 選修生物IV CH2-2 :生存曲線的奧秘 episode artwork

EPISODE · Jul 25, 2025 · 8 MIN

2025 選修生物IV CH2-2 :生存曲線的奧秘

from 雷比特生物空中講 · host 雷比特老師

探討生存曲線的概念,這是由生態學家愛德華·迪維(Edward S. Deevey Jr.)於1947年提出的分類工具,用以分析物種在不同年齡階段的死亡風險。它將物種的生命策略分為三種類型:第一型曲線代表低幼年死亡率、高老年死亡率的物種,如人類和大象,其特點是親代投入高、壽命長;第二型曲線表示在生命各階段死亡風險均等的物種,如麻雀和某些蜥蜴,牠們的親代照護和繁殖數量介於其他兩者之間;而第三型曲線則代表幼年死亡率極高,但少數倖存者壽命較長的物種,例如青蛙和鮭魚,牠們的策略是大量繁殖以應對高早期死亡率。這些曲線不僅揭示物種的繁殖與養育策略,也提供理解族群動態和制定保育策略的基礎。 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/9515f3e35fc5   Powered by Firstory Hosting

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2025 選修生物IV CH2-2 :生存曲線的奧秘

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