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Question
In regions where malaria is present, it acts as a selective agent that favors the heterozygous phenotype, because people with sickle-cell trait produce more offspring than those with only normal hemoglobin, who may die of malaria.Answer
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Related questions
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Early farming practices North Africa ensured that many areas remained productive for thousands of years.
a. True
b. False
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a. True
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Which of the following is not associated with the development of food production?
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At the global level, the biggest environmental problem we currently face concerns
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d. climate change
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By the year 1800, the Industrial Revolution was well under way and there were about __________persons per square mile; two centuries later there were __________persons per square mile.
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b. improved with the development of agriculture.
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The Ubaid period represents the initial settlement of the Tigris and Euphrates floodplain.
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b. local market centers
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Most of the content of most early Sumerian writing does not concern
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c. legal accounts
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a. Sumerian
b. Egyptian
c. Qin dynasty
d. Indus Valley
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Which of the following best describes the nature of Sumerian political organization?
a. large, loosely organized confederations of allied cities
b. autonomous city-states with smaller satellite communities and associated cropland
c. a single empire based in Uruk city
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Modern day Iraq is better known to archaeologists studying Old World civilizations as a part of the region of
a. India
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What common factor does Bruce Trigger propose all early civilizations share?
a. comparable periods of environmental change
b. the presence of increasingly limited access to information
c. the need to manage increasingly complex societies through political and administrative institutions
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What challenges are present in tracing Africa's Neolithic past?
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What features define a cultural theory of domestication? Provide an example to illustrate your answer.
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Discuss the differences between Homo erectus remains from East Africa and the Javanese and Chinese fossils.
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Describe the attributes and important uses of the biface as part of the Acheulian tool kit.
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3. Account for the evidence that suggests the Zhoukoudian was not a hominid habitation site?
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List the differences between the cranium and brain size of Homo erectus and modern Homo sapiens.
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It now appears likely that cultural traditions relating to stone tool technology were largely equivalent over the full geographical range of H. erectus and its contemporaries.
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H. erectus was the first species with a cranial capacity approaching H. sapiens.
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New evidence from Zhoukoudian cave has substantiated the long held notion that Homo erectus used controlled fire.
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A nuchal torus refers to the projection of bone on the top of the cranium which is very common among Homo erectus.
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All analyses have shown that Homo erectus hominins represent a different hominin than their more ancient African predecessors.
Q:
The Homo erectus site in Europe that has given paleoanthropologists a unique look at the first possible Homo erectus travelers from East Africa to Southeast Asia is
a. Zhoukoudian
b. Lantian
c. Ceprano
d. Nariokotome
e. Dmanisi