# 300：兽族崛起丨走向新生代

An episode of [原来是这样 Dscience](https://invisiblenetwork.ai/podcast/852289138), 10 Jul 2020, 1 h 02 min.

Audio: https://cdn.lizhi.fm/audio/2020/07/08/5121185855300015238_hd.mp3

为什么恐龙、鸟类、哺乳类都在白垩纪迎来了多样性的爆发？哪些因素的共同作用使得哺乳动物熬过了大灭绝？胎盘赋予了真兽类怎样的优势？新生代开始后，为何是哺乳动物最终成为了陆地生态系统的主导者？听听本系列的最终章是怎么说的。

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