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Explore Hominin evolution with a focus on anatomical features, fossil sites, DNA analysis, and taxonomic debates across H. erectus, Neanderthals, and Archaic Homo sapiens.
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Hominin Evolution Continued
Learning Objectives • 1. Describe the anatomical features of theNariokotome boy • 2. Identify the geographical areas where H. erectus fossils have been found, and the first fossil site outside of Africa. • 3. Describe the unique anatomical features of the Neanderthals. • 4. Describe the latest findings in DNA analysis of Neanderthals • 5. Identify the anatomical features of Homo sapiens • 6. Understand the debate concerning the taxonomic placement of the 5-year old child from Europe.
Homo erectus (“upright man”) • Widely distributed species: • 1st to _______________ • Towards:________________ • Oldest specimens of this species are found in ___________ • ___________ geographical regions
Nariokotome Boy (KNM-WT 1500) • Location: Nariokotome, Africa • Time period: ___________ • _________________________ • Estimated adult height: ___________
Nariokotome Boy (KNM-WT 1500) • ‘Modern-like’ • ________________ • Why is this important? • Expansion ____________ • _________________ • What areas of the body provide information on growth & development?
Beijing, China: Zhoukoudian Cave(Dragon Bone Hill) • 40 M/F adults and children • ________________________ • 670,000-410,000 years old • _______________________ • Longest history of visitation • Exhibit typical ____________________ • Few postcranial fossils found
Beijing, China: Zhoukoudian Cave(Dragon Bone Hill) • Cultural remains: • ______________________ • Diet: ___________________ • Harsh winters: ___________
Beijing, China: Zhoukoudian Cave(Dragon Bone Hill) • Evidence for _____________ • _____________ animal bone, stone tools, plants, ash along with bird eggs and seeds • Suggest: ____________________
Homo erectus in Europe: Gran Dolina • Found the following: • ______________ • ______________ • _______________ • Evidence for ________________________ • Most complete skull – __________ • Facial bones, mandible, teeth
Archaic Homo sapiens Who are they? Specimens displaying mixtures of _____________ and ___________________ Proposed to separate these individuals into a distinct species. Homo antecessor (non-Africa) Homo heidelbergensis(Africa) We are going to keep Archaic Homo sapiens
Archaic Homo sapiens Exhibit several ________________________ BUT also possess characteristics that are __________ _________________________________________ Example of ____________________ Spans three geographical areas ___________________ These areas are the same as ________ and _______________
Neanderthals Lived during the last major ice age Anatomical features ___________ ____________________________ Features: 1. 2. 3. 4. 5.
Asia – Israel - Kebara • Partial skeleton (60,000ya) • ____________________ • Even without cranium & legs, _________________________ • What can we tell from the torso? • ____________ • __________________
Asia – Israel - Kebara • Hyoid • Variation in morphology of the human hyoid is ________ • Kebara hyoid – __________________ • What does this imply? • Morphology • Language
Europe – La Chapelle-aux-Saints Typical Neanderthal morphology Evidence of ______ _________________
Europe – La Chapelle-aux-Saints • Evidence of ____________ • Body position = ________ • Position suggests that _____ was taken when burying the body • ______________________ Flexed Position
Culture of Neanderthals Speech Probably were capable of _____________ Evidence based on: hyoid bone (found at Kebara) What else do we know? What did the movie say? __________
_________ ______________________ _____________ __________
Africa – Ethiopia – Herto • Herto = Earliest AMH ______________= 160,000-154,000 • Characteristics are essentially modern • Cranium and dental remains found: • ________________ • ___________________
Europe ––Abrigo do Lagar Velho • 24,500ya • ____________________ • Associated with: • 1. • 2.
Europe ––Abrigo do Lagar Velho • Anatomically a __________ of _________________ and _______________features • __________________: regional Neanderthals and early modern humans