Human Evolution by Nico S - WBS

Human Evolution by Nico S WBS
 
 
 
 

Human Evolution by Nico S - WBS

20 days ago by: Nico Sartori
 
 
  • Human Evolution by Nico S
    • Early Hominins
      • Characteristics
        • 1. Bidpedal locomotion
        • 2. Non-honing chewing complex
        • 3. Large brain size and advanced cognition
        • 4. complex material culture
      • Fun Fact
        • The Universe in a Year
          • Big Bang: January 1
          • Earth: September 14
          • Life: September 25
          • Hominins: December 31, 9:30 PM
          • Homo sapiens: December 31, 11:55 PM
          • Agriculture: December 31, 23:59:20 PM
    • Australopithecines
      • A. anamensis
          • 4.0 mya, East Africa
      • A. afarensis
          • Lomekwian Tools
          • 3.6-3.0 mya, East Africa
      • A. platyops
          • 3.5 mya, East Africa
      • A. garhi
          • Oldowan tools
          • 2.5 mya, East Africa
      • A. africanus
          • 3.0-2.0 mya, South Africa
      • A. robustus
          • 2.0-1.5 mya, South Africa
      • A. sediba
          • 2.0-1.8 mya, South Africa
      • A. aethiopicus
          • 2.5 mya, East Africa
      • A. boisei
          • 2.3-1.2 mya, East Africa
      • Characteristics
        • Confirmed bipeds, Eastern and Southern Africa, 4.0-1.0 mya, small anterior teeth, large posterior teeth, small brained (340-500 cc), small-bodied (64-100 lbs)
      • Fun Fact
        • All differences between Robust and Gracile species derived from muscles of mastication by chewing hard foods.
    • Genus Homo
      • Characteristics
        • Increased brain size, increased body size, less prognathic face, longer stride/shorter arms, reliance on culture, (Africa, Asia, Europe)
      • Brain Growth
        • Pros
          • More behavioral flexibility, higher problem-solving skills, improved communication, improved social networking
        • Cons
          • High energetic cost, difficult birth, slower development, increased parental investment
      • Homo Habilis
          • 2.5-1.8 mya, East Africa/South Africa
      • H. rudolfensis
          • 2.4-1.6 mya
      • H. erectus
          • 1.8-0.3 mya, migrated to Asia and Europe
            • Acheulean Tools
      • Fun Fact
        • Killer Ape Hypothesis
          • Raymond Dart- "Violence is innate in hominid ancestry."
    • Archaic Humans
      • Characteristics
        • Longer; lower skull with more projecting occipital bone, more robust post-cranial bones, larger brow ridges, larger/more projecting face, wider nasal aperture, larger teeth, receding chin
      • H. Floresiensis
          • 190k-50k ya, small brain/body
      • Neanderthals
        • 130k-24k ya, mixed DNA with modern humans and Denisovans
            • The Mousterian Tool Complex
              • Strikes tools from core, requires advanced cognitive ability
      • Denisovans
        • Lived at the same time as neaderthals and humans
      • Fun Fact
        • Sexy Handaxe Hypothesis
          • Males learned how to make most attractive handaxes to show females they were a good mate with good genes.
    • Human Diversity
      • All of these various species show changes in behaviors such as migrating to new environments which allows for adaptations such as a change in diet with more meats. (Gene Flow)
      • The increase in brain size allows for further cognitive abilities for technological innovation in tools.
      • Some species existed at the same time and shows human diversity is not linear but rather a nonlinear progression and takes millions of years.
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