<prompt> Translate the following text to EnglishWanasayansi fulani wamekadiria kwamba jumla ya viumbe hawa wadogo walioenea ndani ya ardhi ni kubwa kuliko aina zote za uhai zilizo juu ya ardhi pamoja.  <response>: Some scientists have estimated that the sum of these tiny organisms spread deep within the Earth outweighs all the forms of life on the surface combined. 