ANTH 102: Exam 3

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33 Terms

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Oldowan Toolmakers
Complex foragers
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Expensive Tissue Hypothesis
Meat eating led to bigger brains
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Paranthropus
Large post canine dentition with small anterior dentition
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First Homo species to leave Africa?
Homo erectus
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NOT a "robust" hominid
Australopithecus africanus
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NOT true of Australopithecus afarensis
Knuckle-walked
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Turnover Pulse
- Likely cause of Paranthropus
- Change in species in Africa
- Drier climate
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What species was Turkana Boy?
Homo erectus
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Who made Oldowan tools?
Homo habilis
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Which fossil group makes a good generalized potential ancestor to all Primates?
Plesiadapiforms
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Omomyids
Galagos and Lorises
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Threat & Display Hypothesis
Bipedalism evolved due to sexual signaling
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Sivapithecus
Orangutans
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Zircon Dating
How scientists determined the age of the Earth
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Humans have the same number of bones as other primates
True
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Aegyptopithecus
Old world monkeys and apes
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Big brains came before bipedalism
False
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Piltdown
- Large brain, ape-like jaw
- False link/fake science
- "Humanity evolved in England
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Proconsul
Apes
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Paleoecology
Uses fossils to understand the paleo-environment
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Humans are highly sexually dimorphic
False
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Taphonomy
The science of understanding the events that occur between the death of the animal and the collection of its remains
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Grassland Ape Hypothesis
Bipedalism evolved for distance hunting in grassy Savannah lands
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Genetic difference between humans and apes
Fused Chromosome 2
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The Thoracic-Lumbar curve develops when a child begins walking
True
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Humans are
Long distance runners
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NOT a bipedal adaptation
Cervical curve
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Evolution is linear
False
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Laetoli footprints
Australopithecus afarensis
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Valgus knee
Bipedalism
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NOT a bipedal running adaptation
Basicranial flexion
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Australopithecus afarensis
- Sexually dimorphic
- Bigger brains (500 cc)
- Bipedal
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Key differences between human and nonhuman primates
- Bipedalism
- Canine eruption in different times of life
- Brain sizes