<prompt> Translate the following text to EnglishToleo la mwisho la dhana hii, linaloitwa uchaguzi wa kikundi, ni Gaia, ambayo inadokeza kwamba maisha yote yanashirikiana ili kuhakikisha kuendelea kwa uhai wake.  <response>: The most extreme version of this concept, called group selection, is Gaia, which suggests that all of life cooperates so as to ensure its continued survival. 