— sociobiological /soh'see oh buy'euh loj"i keuhl, soh'shee-/ , adj. — sociobiologically , adv. — sociobiologist , n.
/soh'see oh buy ol"euh jee, soh'shee-/ , n.
the study of social behavior in animals with emphasis on the role of behavior in survival and reproduction, engaging branches of ethology, population genetics, and ecology.
[ 1945-50; SOCIO- + BIOLOGY ]