在人类祖先起源的问题上，有两个概念，人科的起源和现代人的起源。对于人科的共同祖先约700万年前至500万年前起源于非洲的观点，学术界目前并无太大争议。对于称现代人的起源存在两种假说，目前很多科学家支持“非洲起源说（非洲单源说）”，即非洲是现代人的故乡；少数科学家则支持“多地起源说”，即认为现代人是在欧亚非各自起源。
人类祖先
网络释义
... Theoretical Computer Science理论计算机科学/会议录 The First Human人类祖先 Database Programming Languages数据库编程语言/会议文集 ...
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双语例句原声例句
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他们比现代人类强壮得多，但长期以来，人们一直认为人类祖先比尼安德特人更聪明。
They were much stronger than modern humans, but it's long been assumed that human ancestors were smarter than the Neanderthals.
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尼安德特人与人类祖先一起在欧洲生活了数万年，直到大约4万年前灭绝。
The Neanderthals lived alongside human ancestors in Europe for tens of thousands of years, before dying out about 40,000 years ago.
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在非洲，首批人类祖先直立行走。
In Africa, the first human ancestors stood up on their hind legs to walk.
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It's important to understand the ancestral diet to see why we've evolved, the biological reasons we are the humans we are today, but it also helps instruct us about what we might happen to do.
了解祖先的饮食结构非常重要,它帮助我们理解人类为何演化,找出造成我们现状的生物学成因,这也有助于我们找到应对方法
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