And researchers in Scandinavia have noticed that females started to change their reproductive strategies.

斯堪的纳维亚的研究人员注意到，雌性棕熊已经开始改变它们的繁殖策略。

Whatever evolutionary benefit exists to the swamp wallaby's unusual reproductive strategy remains to be seen.

黑尾袋鼠不寻常的繁殖策略在进化上有何好处，尚有待观察。

And parrotfish exemplify some of the beauty of diverse reproductive strategies.

鹦嘴鱼体现了多种繁殖策略的一些优点。

I call it a dual human reproductive strategy, a tremendous drive to fall in love, form a partnership, and have your babies, and also to cheat.

我称之为双重人类生殖策略，坠入爱河的巨大动力，形成伴侣关系并生下你的孩子，以及偷腥。

So mutations may have changed how the pieces of the amniotic egg were used, leaving mammals with an entirely new reproductive strategy as a result.

因此， 突变可能改变了羊膜卵碎片的使用方式，从而使哺乳动物拥有全新的繁殖策略。