How did prehistoric people communicate?
when necessity did arise prehistoric people struggled n many ways.dey observed animals how they communicate as monkeys make diff sounds, hand movements,snarling and such lip movements..they also behaved more like an animal n ways of comm. the famous known method s whistling which were and r still used by men who r distant. during hunting and searchin,callin men used whistle as a callor signal. simply he was more like an animal.watch natgeo channels for info,refer their sites 2.