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the spine of cactus and thorn of Bougainvillea is an example of homologous or analogous organs?(in evolution)

  • science -

    They are not the same tissue, therefore homologous is out of the question.

  • science -

    dont know

  • science -

    Basically they are example of analogous organs as function is same but....
    Spines in cactus are modified leaves whereas thorns are modified stem

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