According to the Regional Continuity Model, ________ prevented local populations of premodern Homo sapiens from becoming separate species
a. genetic drift
b. gene flow
c. mitochondrial DNA
d. displacement by African Homo sapiens
e. founder's effect
b
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According to Robert Putnam, the main reason for a decline in social capital in the United States is:
a) the replacement of a civic-minded generation with less active citizens. b) the presence of increased personal wealth. c) a decline in average family size. d) the role of television and Internet.
Olduvai Gorge was excavated beginning in the 1930s by:
A. Louis and Mary Leakey B. Donald Johanson C. Raymond Dart and Robert Broom D. Richard Leakey and Alan Walker
Children living at high altitudes develop a larger chest cavity by adulthood than children living at lower altitudes. This is an example of:
a. environmental adaptations that occur at the individual level. b. acclimatization at the individual level. c. developmental adaptations that occur at the level of the individual during critical life stages. d. inheritance of increases in lung volume by high-altitude populations.
A pilgrimage is classified as a sacrifice
Indicate whether the statement is true or false