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地球上最早的复杂生命起源于何时?生物学家一直以为是在6亿年前。然而,法国研究人员的最新研究把这个时间往前大大推进了15亿年,他们居然在非洲发现了21亿年前的多细胞生物。
When did the earliest complex life on Earth originate? Biologists have always thought it was 600 million years ago. However, the latest research by French researchers pushed this time forward by 1.5 billion years, and they actually found multicellular organisms 2.1 billion years ago in Africa.