Thus, in successive generations members of a population are more likely to be replaced by the progenies of parents with favourable characteristics that have enabled them to survive and reproduce in their respective environments.
Addinat n ichaɣiban wi tinimichraynen eha ach-ak s a ta ichriyan progenies n imarwan ilanen samalan has-an ijraw nen tamudre d tiwit daɣ ahinzazaɣ n iyyan fuk