For most of our ancient ancestors, the satisfaction of a lower need probably led to the natural satisfaction of the next need. For the hunter, becoming proficient at hunting satisfied our need for food, and the same skill we used for hunting, the use of a spear or bow, probably helped satisfy our need for safety at the same time. Being a good hunter probably made an individual highly sought after by the opposite gender and probably led to a pretty high feeling of oneself and one’s standing in the community. The tool used for our physiological needs was also great for each of our other, higher, needs as well.
Read more - Our Hierarchy of Needs
The same argument could be made for the gatherer as well. Being a successful gatherer would likely be attractive to the opposite gender looking for someone who could produce and raise enough offspring to adulthood. This person would be praised, on some level, for raising a healthy family. Being a successful gatherer reverberated up the needs hierarchy as well.