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物種概念

物種概念species concept)係生物學上對「物種」呢個詞應該點定義而有嘅爭論。喺生物物種概念(The Biological Species Concept;BSC)下,一個「物種」嘅生物指嘅係一個或者多個族群嘅生物,而呢啲族群係

  1. 有能力同對方配種-指正常嘅異性個體有能力同對方交配並且生出有繁殖能力嘅後代;而且
  2. 喺繁殖上同其他族群分開嘅。

例如係人類呢個族群噉,白種人黃種人-又或者日本人漢人、又或者粵人同第啲漢族民系-之間有住血統同埋外型上嘅差異,但佢哋之間有能力配種(白人同黃種人通婚可以生到有生殖能力嘅後代出嚟),而呢幾個族群都係冇能力同人以外嘅生物配種嘅,例如一個人-無論佢係邊個人種都好-同一隻交配唔會生到啲乜嘢後代出嚟,所以人類係一個同馬唔同嘅物種。

睇埋

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物種概念
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