Prior to the arrival of Europeans to the Americas, there were no domesticated animals that were suitable as draft animals
Indicate whether the statement is true or false
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Scientists who use the behavioral ecology approach believe that primate behaviors have evolved through the operation of natural selection
Indicate whether the statement is true or false
In survey research, a sample should
A. include the entire population in question. B. be constituted to allow inferences about the larger population. C. target only one social, cultural, or environmental factor that influences behavior. D. include anyone who will be interviewed by the ethnographer. E. be invariant.
Genetic evidence suggests that Neandertal DNA is remarkably similar to modern humans
a. True b. False Indicate whether the statement is true or false
A very significant change in guerilla tactics in ethnic conflicts since the early 1970s is
a. the emergence of paramilitary groups. b. the increased targeting of civilian groups. c. the use of national armies against paramilitary groups. d. that guerilla warfare only occurs in a small region in the Middle East.