ch 6

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Author:
sdbarnes
ID:
174021
Filename:
ch 6
Updated:
2012-09-27 23:17:54
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ch6
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ch6
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  1. grasslands
    savanna
  2. in bipedal hominids the spinal column enters the skull at the bottom through a hole called the
    foramen magnum
  3. sahelanthropus tchadensis lived on the shores of the lake where ______ and his colleagues recovered its fossilized bones in 2001
    Brunet
  4. austalopithecus afarensis dates about ___ to ____ million years ago
    4 to 3
  5. the first hominid species to be widely distributed in the old world
    homo erectus
  6. homo ergaster
    for the african ones
  7. a unique pentagonal shape when looked at from the back formed in part by a rounded ridge
    sagittal keel
  8. ridge of bone running horizontally along the back of the skull
    occipital torus
  9. who were the first hominid to have third molars that were smaller than the second or first molars as in modern humans
    homoerectus
  10. molars had an enlarged pulp cavity called______ which allowed the teeth to witstand harder use and wear than the teeth of modern humans
    taurodontism
  11. prognathic
    forward thrusting
  12. homo floresiensis is closely related to
    homo erectus

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