The Clovis tradition, a sophisticated stone technology based on a sharp point that was fastened to the end of a hunting spear, flourished (widely but briefly) in the central plains and in what is now the eastern United States. Until recently, the Clovis people were considered the first settlers of the Americas. Recent research now suggests, however, that
A. the Americas were settled by one haplogroup—a lineage marked by one or more specific genetic mutations.
B. the wheel, which has never been found in Clovis sites, was a critical part of an even earlier arrival to the Americas.
C. the members of the Clovis tradition depended on the domestication of horses to make travel possible.
D. various groups of colonists entered the Americas, but they all used the same route.
E. most likely the Americas were settled by several colonists who came at different times, perhaps by different routes, and had different physiques and genetic markers, which continue to be discovered and debated.
Answer: E
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What evidence suggests that genetic differences between populations predispose people for different personality types?
A) Other biological features, like birth weight, are correlated with ethnic group. B) A baby’s behavior affects the way its caregivers will interact with it. C) There are differences in temperament among newborn babies of different ethnic groups. D) Mothers of different ethnic groups responded differently to their babies’ cries.
As represented by the barrel model of culture, culture is an integrated system that responds to a combination of:
a. structural integrity. b. ideology and religion. c. international factors. d. ethical integrity. e. internal factors.
The most flexible research method, in terms of exploring the greatest variety of information, is the structured interview
a. True b. False Indicate whether the statement is true or false
Which diseases gravely affected Native American populations after the arrival of Europeans?
a. Bubonic plague and malaria b. Influenza, whooping cough, and measles c. Small pox, pellagra, and malaria d. HIV, yellow fever, and syphilis