<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?the ushuhuda wa kwanza kabisa wa maisha duniani linatokana na mikeka ya kale ya cyanobacteria ambayo ni takriban miaka bilioni 3.7.  <response>: the earliest evidence for life on earth comes from fossilised mats of cyanobacteria that are about 3.7 billion years old. 