Culture and DIscovery

Big break for mammals

作者：21ST

恐龙灭绝导致哺乳动物变巨型。

AFTER dinosaurs (恐龙) disappeared 65 million years ago, the world’s rhinos (犀牛), elephants and other large mammals had the Earth to themselves. They grew to as much as twice as the size they are today, a new study shows.

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