eusocial

Eusociality is the phenomenon of reproductive specialization found in some animals. It generally involves the production of sterile members of the species, which carry out specialized tasks, effectively caring for the reproductive members. It most commonly manifests in the appearance of individuals within a group whose behavior (and sometimes anatomy) is modified for group defense, including self-sacrifice ("altruism").
See more at Wikipedia.org...

B: (Biologi) eusosial
Built to Babylon by Hikmat Gumilar Visit my Website;