Life's long journey from single-celled organisms to multicellular plants and animals may have depended upon the increasing presence of oxygen in the atmosphere, a new study suggests.
Life's long journey from single-celled organisms to multicellular plants and animals may have depended upon the increasing presence of oxygen in the atmosphere, a new study suggests.
一项新的研究表明，地球生物从单细胞的有机体一直发展到多细胞的植物和动物这样一个漫长的旅途很有可能依赖于大气中氧含量的增加。