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所属栏目：人与自然
所属频道：CCTV-1综合
年份：2013
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简介：44亿年前的地球充满有毒气体，在一次小行星撞击之后地球改变的命运，水中生物开始占领地球，海洋中充斥着结构简单的海洋生物。爬行动物由两栖动物进化而来，成功的逃脱了海洋的威胁，但是来到陆地后它们依然要面对巨型动物的威胁。三亿年前的地球，氧气含量十分丰富，由此孕育了庞大的爬行食肉动物，随着氧气量的减少，新的进化又再一次开始，这就是后来的恐龙。收起
《人与自然》 20130925 与猛兽同行——超级猛兽
《人与自然》 20130924 自然发现 与猛兽同行——陆上猛兽
《人与自然》 20130923 自然发现 与猛兽同行-水中猛兽
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