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cainogenesis

n.
1.introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution)

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    Idiom of the Day

    hit (someone) hard
    to affect someone strongly
    The death of the woman's father hit her very hard.



    1.
    Choose an idiom to replace the expression in the brackets:
    The woman has been (free of drinking alcohol) for over two years.

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