PLIO-PLEISTOCENE HOMININS

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mopotter
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229467
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PLIO-PLEISTOCENE HOMININS
Updated:
2013-08-08 01:14:28
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PLIO PLEISTOCENE HOMININS
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PLIO-PLEISTOCENE HOMININS
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  1. Name the East African primitive form hominins (2)
    • Australopithecus anamensis
    • Australopithecus africaunis
  2. Name the East African derived form hominins (3)
    • Kenyanthropus platyops
    • Australopithecus bahrelghazali
    • Australopithecus garhi
  3. Name the dental arcade types (3) and give an example of a species for each
    • U shaped - (modern gorillas)
    • V shaped - (early hominin)
    • Parabolic - (modern human)
  4. Name the (8) shared features of Paranthropus
    • supraorbital torus
    • saggittal crest
    • nuchal crest
    • postorbital constriction
    • large temporal fossa
    • big flaring zygomatics
    • large premolars and molars (MEGADONTIA)
    • large mandible
  5. Give (2) examples of Robust form hominins
    • Paranthropus aethiopicus
    • Paranthropus boisei
  6. When comparing "robust" vs "gracile" features, the difference is in ...?
    • face and dentition
    • diet
  7. Describe Robust Australopithecines diet and condition of their teeth
    specialized diet - ate underground storage organs which caused pits in teeth and also grounded down their teeth
  8. Describe Gracile Australopithecines diet and condition of their teeth
    generalized diets - Omnivorous diet which left teeth with fine scratches
  9. In early hominin taxonomy, "anagenesis" is compared to what? explain the meaning
    a "ladder"  -- (one species morphs into another species into another species, etc)
  10. In early hominin taxonomy, "kladogenesis" is compared to what? explain the meaning
    a "bush" --- (species split off in different directions)
  11. Name (3) aspects to South African dating sites
    • Relative dating methods used
    • Many difficulties due to typography of land
    • Limestone caves, fissures, sinkholes
  12. The robust hominin fossils are grouped into 3 species dating between 2.7 and about 1.0 mya. Name the two East African forms and the one South African form
    • Paranthropus aethiopicus
    • Paranthropus boisei

    Paranthropus robustus
  13. Paranthropus species are thought to have possibly made  ____ tools, since their hands were possibly suitable for the manipulation required to construct tools
    stone
  14. At the same time that the members of the genus Paranthropus were romaing around, at least 3 other forms were sharing those areas with them. These other forms were gracile homiins and members of the genus _______
    Australopithecus
  15. A. garhi from east Africa and A. africanus in South Africa are examples of _____ hominins
    gracile
  16. _______ are those hominins in the Plio-Pleistocene fossil record that are not members of the genus Homo (both Australopithecus and Paranthropus species)
    Australopithecines

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