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1Write a complete and informative sentence about what you'll be studying in today's lab.


2The human skull has ________ bones, ________ of which are paired.


3What is the only freely moveable joint in the skull?


4Gorillas and humans share a common ancestor.
A)True
B)False


5What are three differences in male and female skulls that are discernable in living humans (i.e., not in skull specimens).


6Which hominids are/were bipedal?
A)Homo erectus
B)Australopithecus
C)Homo sapiens
D)all of the above


7Which hominid listed in your manual has the largest braincase?


8Humans exhibit more prognathism that apes.
A)True
B)False


9


zygomatic arch
10


foramen magnum
11


brow ridge
12


sagittal crest
13


diastema
Answer choices:
A)the large opening at the base of the skull through which the spinal column passes
B)a gap between teeth
C)the mass of bone over the eye sockets
D)the ridge of bone atop and down the middle of the brain case
E)site of attachment for chewing muscles


14How could you tell with only the skull if a hominid had upright posture?


15Describe the number and arrangement of teeth in apes and humans.


16Name another fossil characteristic aside from those of the skull that would suggest an organism walked upright.


17Describe two differences in the skulls of apes and humans.





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