Answer: genealogy

AnswerCrossword Clue
GENEALOGYStudy of trees?
GENEALOGYFamily-tree study
GENEALOGYTree-research science
GENEALOGYDarwin's study.
GENEALOGYPedigree.
GENEALOGYAutry's lineage?
GENEALOGYField of trees
genealogyA line of descent traced continuously from an ancestor
genealogyA plant's or animal's line of evolutionary development from earlier forms
genealogythe history of the descent of families
genealogyThe study and tracing of lines of descent or development