title: Society for Integrative and Comparative Biology meeting: Was Lucy's a fighting family? Look at her legs.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000374:Aggression; D000818:Animals; D001696:Biomechanical Phenomena; D049628:Body Size; D005260:Female; D005580:Fossils; D015186:Hominidae / Q000033:anatomy & histology* / Q000502:physiology; D006801:Humans; D007866:Leg / Q000033:anatomy & histology*; D008124:Locomotion; D008297:Male; D011323:Primates / Q000033:anatomy & histology / Q000502:physiology; D012727:Sex Characteristics