It is possible to use blood system data to trace gene flow between human populations
a. True
b. False
Answer a
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Humans do NOT share such features as ________ with other primates
A. opposable thumbs B. an enlarged brain-to-body ratio C. depth perception D. parental investment in offspring E. habitual bipedalism
An example of tribal leadership is the concept of the "Big Man."
a. True b. False Indicate whether the statement is true or false
Depigmented skin is most likely
A) an adaptation to enhance vitamin D production in the higher latitudes B) linked to high intelligence C) safe in higher latitudes because of the reduction in UV radiation D) A and B only E) A and C only
In terms of energy consumption, the United States
A. ranks among the bottom in terms of per-capita consumption, but among the top energy-consumers among nations. B. ranks second among nations, but first in per-capita consumption. C. has seen rising levels of consumption. D. is first among nations in all categories of consumption. E. has seen dramatically declining levels of consumption.