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Question
Sahelanthropus has an unusual combination of characteristics, includinga. a small braincase, huge browridges, small vertical face, and lack of shearing canine/premolar arrangement
b. a large braincase and huge browridges
c. a small braincase and small muscle attachments in the rear of the cranium
d. a small vertical face and small browridges
e. a large vertical face and small browridges
Answer
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Related questions
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By far the largest collection of Homo erectus remains have been found at
a. Sangiran
b. Zhoukoudian
c. Olduvai
d. Trinil
e. Lantian
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The cranial remains from Dmanisi are characteristic of all of the following except
a. are easily distinguishable from modern Homo sapiens
b. bear some similarities to early Homo specimens from East Africa
c. bear similarities to australopithecus specimens
d. have very small cranial capacities
e. are different from other hominins outside Africa
Q:
The Dmanisi site is notable for which of the following
a. Being in North Africa
b. Producing crania remains that are uncharacteristic of H. erectus
c. The crania have relatively large cranial capacities
d. One complete cranium is of an older adult with jawbones that show advance bone loss
e. Crania are not associated with stone tools
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Homo erectus appeared in East Africa between ___ million years ago.
a. 1.7 and 1.5
b. 2.5 and 2.3
c. 6.0 and 4.0
d. 3 and 1.0
e. 2.0 and 1.8
Q:
Two forms of evidence help to confirm the hypothesis that H. erectus evolved in Africa. First, all of the earlier hominins come from Africa. Second,
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b. the adult height of the Nariokotome youth would have been about 6 feet.
c. by 1.7 mya there are well-dated fossils of H. erectus at East Turkana, in Kenya, and not long after at other sites in East Africa.
d. postcranial bones look very similar to modern humans.
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Q:
Which of the following statements is false?
a. Several definite Homo erectus fossils have been discovered in France.
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c. Thick cranial and postcranial bones characterize mostHomo erectus specimens.
d. Homo erectus appears to have been less encephalized than Homo sapiens.
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Q:
Homo erectus represents a different kind of hominin than the more ancient African predecessors. One of the reasons is
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c. Less encephalization
d. Less variation among different regional populations
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The A. afarensis hand, wrist, and foot bones are indistinguishable from those of modern humans.
Q:
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Q:
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b. Tugen Hills
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d. Sterkfontein
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Q:
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a. Sahelanthropu
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Q:
Radiometric dating techniques
a. are not based on the phenomenon of radioactive isotope decay rates
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c. include the K/Ar but not carbon-14 methods
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If an isotope has a half-life of 4 billion years, then in 4 billion years what will happen?
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c. Half of the original amount will still be present.
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_______ make the best samples for the K/Ar dating method.
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c. 8 to 10 million years ago
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b. are primarily full skeletons
c. are primarily dental and cranial pieces
d. date to the Eocene
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b. were all members of the same species
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Q:
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a. North America
b. Australia
c. Mexico
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c. 60
d. 75
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The most interesting fact about human skin color is that there appears to be no adaptive significance whatsoever to population-level variations in skin color.
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c. states that bodies with increased mass or volume to surface area are optimal for cold climates
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c. vasoconstriction
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Ultraviolet radiation can be an important factor in selection for increased melanin production because UV radiation can cause which of the following?
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