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According to the news , the unicellular microorganisms are rod-shaped and nourish themselves by photosynthesis .

根据新闻报道，这些单细胞微生物体是棍状的，通过光合作用自给自足。

Cancer cells , in other words , behave a lot like their distant unicellular ancestors .

也就是说，癌细胞的行为看起来更像是它们的单细胞祖先。

In reality , though , almost all living things are unicellular , and with good reason .

事实上几乎所有的生物都是单细胞的，而这是有充分的原因的。

By searching for genetic sequences similar to rega in the burgeoning databases of genes that now exist , they found one in a unicellular alga called chlamydomonas reinhardtii .

在搜索了不断扩充的数据库中海量的基因之后，他们在一种单细胞藻类衣藻chlamydomonasreinhardtii中发现了一段和rega类似的基因序列。

This remarkable change at a planetary scale - orchestrated by unicellular beings - did something else that allowed complex life to thrive on earth 's surface .

这种发生在整个行星中的显著改变由单细胞生物开始确实让更为复杂的生命体在地球上成长繁荣起来。