Communication is also possible among bees through their sense of smell. A ground of bees,called a colony,uses smell to protect it self from other bees. this is possible because all the bees in a colony have a common smell. This smell acts. Like a chemical signal. It warns the group of bees when a bee from a different colony is near. This way. Bees from outside cannot enter and disturb a hive the bee colony's home it an outside bee dose try to enter. The bees of that colony will smell it and attack it