(biology, game theory) A model for the evolution and maintenance of informative communication between relatives, developed to explain begging behaviour in chicks.

The quality of being Ukrainian.

A proponent of deconstructivism.

(intransitive) To arise from the trunk or a larger branch of a tree. / (intransitive) To produce branches. / (transitive, intransitive) To (cause to) divide into separate parts or subdivisions.