1. 
   eusociality
   Form of social life found in insects such as honey bees and termites, in which the colony is made up of special castes (for example, workers, drones, and reproductives) whose membership is biologically determined. The worker castes do not usually reproduce. Only one mammal, the naked mole rat, has a...
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0008005.html
   
   
2. 
   Eusociality
   Eusociality (Greek eu: "good/real" + "social") is a term used for the highest level of social organization in a hierarchical classification. The lower levels of social organization, presociality, were classified using different terms, including presocial, subsocial, semisocial, parasocial and quasi...
   Found op http://en.wikipedia.org/wiki/Eusociality
   
   

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