Primates social groups tend to be encouraged by how much food is available and, what other animals or primate are in competition with them for survival and where exactly the primates are located. Reproduction plays a role in this process because giving birth plays an entirely different role on the female primates (who are the ones actually giving birth) in comparison to the male primates. The females are more concerned about reproducing and raising their young, whereas the males are focused on physically competing to find which female primate would be the best mother to their future offspring.
Learned behavior is more advantageous than instinctual behavior because learned behavior includes vocal communication. With learned vocal communication, primates are able to call to other primates and even let them know when intruders are on their territory. The vocal communication calls very from being either very loud if they want the whole social group to hear, or very quiet if they are only trying to communicate with another one or two primates. Learned behavior is also more advantageous than instinctual behavior because the primates have learned from their parents how to hunt, how to interact with others, and most importantly, how to