© 1999 ENSI (Evolution & the Nature of Science Institutes) www.indiana.edu/~ensiweb This material may be copied only for noncommercial classroom teaching purposes, and only if this source is clearly cited. CLASSROOM CLADOGRAM OF VERTEBRATE/HUMAN EVOLUTION GROUPS OF TRAITS Find the Trait Group which first appeared in your team's animal group. TRAITS GROUP "BROWN" incisor-canine-cheek teeth sequence legs under body body temperature regulation TRAITS GROUP "ORANGE" paired front and hind limbs with internal bones TRAITS GROUP "GREEN" jaws teeth internal skeleton gill arches paired appendages TRAITS GROUP "PURPLE" walking legs shoulder and pelvic girdles five fingers and toes neck TRAITS GROUP "TAN" 2123 dental formula (upper and lower) no tail TRAITS GROUP "RED" tooth differentiation embryonic membranes (amnion, etc.) TRAITS GROUP "YELLOW" dermal (skin) bones skull paired lateral eyes pineal ("third") eye lung TRAITS GROUP "BLUE" head end, tail notochord myotomes (muscle bundles) dorsal nerve cord gill basket, with "gill slits" TRAITS GROUP "OLIVE" small canine teeth long arms simple tool making, butchering precision grip bipedal (erect posture) foramen magnum more forward TRAITS GROUP "BLACK" complete bony palate cheek teeth crowned teeth replaced only once molars double-rooted three ear bones lumbar region rib-frree double occipital condyle TRAITS GROUP "WHITE" grasping hands collar bone closed eye socket nails (fingers and toes) eyes in front muzzle reduction    Return to Classroom Cladogram Lesson