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Chapter 10: Early Hominins

Across
What do we call the bones of the back?
Living primates have ___ on their fingers, not hard pads & claws
In bipeds the bottom of the femur is referred to as its____
Term for tree-dweller
Meaning of the osteodonto-keratic tools of early Australopithecus
The fossil record of early proto-primates suggests that early primates probably were _____dependent on sighting & catching insects to survive
The text suggests that bipedality is more energy efficient than knucklewalking especially in
The only habitual striding bipeds today, out of the 4,000 living mammals
The biped spine has ___at neck and lower back
To keep the foot under the center of gravity, a biped's femur is ___from hip to knee
Hole in the occipital bone through which the spinal cord connects to the brain
A member of our own human family, past or present; member of the primate family Hominidae
Term for striding on two legs
Where would you look for the 2-1-2-3 dental formula?
Refer to enlarged teeth
Down
What material is most likely to survive in the archaeological record as a tool?
Living primates emphasize ___over olfaction
Protruding or jutting jaws or snout
Anatomical term for "hole"
What is the prefix for old or ancient?
If lemurs of Madagascar & lorises & galagos of mainland Africa & tropical Asia are members of the suborder Strepsirhini, what suborder are we?
----of primates explains why tarsiers are no longer placed with lemurs & lorises
The lower leg bones are the ____
Refer to the pelvic bones or os coxae
What term is used for the bony bar around the eyes of some early primates?
Abbreviation for last common ancestor of all primates at about 63 mya?
Having teeth that are uniform in form, shape, and function
Having the same allele at the locui for a gene on both members of a pair of homologous chromosomes (or autosomes)
Term for tooth array in which different teeth have different forms & functions (like ours do)
Occipital bone refers to the underside of the human _____
Does the Gorilla spinal cord enter the brain at the same angle as the hominin spinal cord?