human evolution
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5 traits of Mammals
mammary glands (produce milk) fur/ hair 3 bones in middle ear lowe jaw bone variety in teeth size
primates body features
prehensible hand with 5 digits and opposal digit (thumb) lots of sensory glands flexible spine hips & shoulders with lots of rotation
Primates skull features
large cranium to body size 3D coloured … and forward facing eyes
Primate functions
social creatures
Hominoids
great apes, humans, lesser apes
Hominoid features for sitting up right
short spine between rib & pelvis no tail broad ribs & pelvis larger arms then legs (not humans) further back soulder blades destinctive moler teeth increased cranium size
Hominins
can walk upright for long periods of time
Traits of Hominins
smaller canine teeth parabolic dental arch foramen magnum more central less prominent brow ridge S spine not C ribcage differs short hands straight fingers shallow pelvis big toe in line with others wide heal + arches
Hominins intelligence
social and increase cognitive ability