In Europe, cold-weather survival was likely selected for, consciously or not, while in Africa, selection probably favoured the ability to survive heat, drought, and heavy rain.
En Europa, a supervivencia ao tempo frío foi probablemente seleccionada polo home, de forma consciente ou non, mentres que en África a selección realizada probablemente favoreceu a supervivencia á calor, seca e chuvias torrenciais.