Why do girls reach puberty first?

2006-10-26 1:36 am
Why do girls reach puberty first?
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回答 (1)

2006-10-26 1:41 am
✔ 最佳答案
because it takes 9 months for woman to bear baby while man can give sperm n reproduce any time, if woman hv reproduction power earlier then can give birth to more n increase the amount of offspring...
but man can give sperm for so many times so no needa to be that early


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