Fossil evidence has suggested that there was a major jump in eukaryotic complexity some 600 million years ago, during a period dubbed the Cambrian ex-plosion.
Fossil evidence has suggested that there was a major jump in eukaryotic complexity some 600 million years ago, during a period dubbed the Cambrian ex-plosion.
化石证据已经显示出在大约在6亿年前，原核细胞复杂体在被称为“寒武纪大爆发”的时期发生了一次大的飞跃。