Chapter 10 Flashcards
Why are Humans Primates?
Large brains relative to their body sizes
social
long gestation period
Homonoid
the super family of all modern and extinct apes
Homonin
The group consisting if modern humans and our extinct ancestors
Morphology
Structure and shape
Molecular homology
Proteins and DNA sequences
Australopithecus
- small brained
- large toothed
- able to walk erect
Foramen Magnum
position indicates how the skull sat on the vertebral column
Sexual Dimorphism
differences between adult males and females in a species
Homo
Smaller teeth
marked increase in brain size
Homo Habilis
Handyman
evidence of stone use
fire use
Homo erectus
Smarty
larged brain
elaborate tool crafting
systematic hunting
Homo Neanderthals
Largest brain
sloping forehead
Homo Sapiens
Large brains
Skilled
Nomadic
Steep foreheads
Advantages of bipedalism
Carry offspring
Carry food
see over grass
