In all the species with social behaviour we can distinguish phases through which the social evolution of the species passes. Only under ideal condition a species reaches the climax of the social evolution with creation of superorganisms that behave as new species and inter- special rules apply to them.
Two main sources of information served as a scientific basis for detection of social evolution : 1. study of complex societies of the organisms with social behaviour, especially those of insects compared with the society of primates including man, 2. study of diet of prehistoric populations.