隸屬山蟻亞科的螞蟻,尾部具有可分泌酸性液體的器官。853Please respect copyright.PENANAl8lBJhYWfx853Please respect copyright.PENANAJuXbBZ8E85
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甲酸(Formic Acid)是酸性液體的主要物質,普遍認作為抵禦外敵之用。853Please respect copyright.PENANA8ooHxzjAeK
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(圖2)研究(Ref1)發現,餵食山蟻亞科螞蟻含有10%蜜糖成份的水(pH5)後,其消化器官的pH值會有所降低;pH越低,泛指酸性越重。853Please respect copyright.PENANAKBiJWKQOu3853Please respect copyright.PENANAQFc8pvVP8f
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(圖手3)若果拑制螞蟻的舉動,進食蜜糖水後,其消化器官的pH值並不會有所下降。853Please respect copyright.PENANAuYurF5L4PI853Please respect copyright.PENANACt3vMJgo82
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後來發現,消化器官之所以進食後出現pH下降,是因為牠們進食後會咀嚼尾部的酸性分泌液所致。853Please respect copyright.PENANA0dUblMiO7x
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當牠們的行動被有所限制後,再也沒能「自食其酸」,因此消化器官的pH值並不會有所下降。853Please respect copyright.PENANA1LQm9DgG7F
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(圖4)自食其酸的其中一道作用,就是能夠幫忙消除外來食物對自己有害的細菌。853Please respect copyright.PENANAaAfIST3zLE853Please respect copyright.PENANABFm4Uk8aRZ
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研究故意注入特定的細菌到食物之中,再餵給螞蟻,亦能夠量度出該細菌並沒能夠在酸性分泌液中生存。853Please respect copyright.PENANA6x2ZS9c4pR
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而我們人類本身的胃部本身就懂得製作胃酸,並不需要「自食其酸」來抵禦外來細菌。853Please respect copyright.PENANAq6YLQ1R3he
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除非高價買入GME股份,才會自食其酸。853Please respect copyright.PENANA3SVZiEjRPb
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基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。853Please respect copyright.PENANAOfVAiGkvP2
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Ref1:https://elifesciences.org/articles/60287853Please respect copyright.PENANAYRSR42Hoj9