Bands and tribes are politically associated with each of the following except:
a. a small number of specialized political roles.
b. a high level of political integration.
c. little political coerciveness.
d. an absence of formal governmental structures.
e. informal mechanisms of social control.
ANS: B
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A specialized species:
A. is closely fitted to a specific niche B. cannot tolerate much change in its niche C. exhibits little variation D. all of these
Which of the following is an example of human evolutionary ecology?
a. studying human behaviors as the result of direct evolutionary pressures b. charting the relationship between agricultural practices and the evolution of the sickle cell polymorphism c. hypothesizing about the cultural abilities of ancient hominins by comparing them to living non-human primates d. focusing on the ecological factors that influence present-day hunter-gatherer societies
Which of these statements about bonobos is FALSE?
A. Bonobos are notable for the frequency with which they have sex. B. Bonobos are considerably smaller than common chimpanzees. C. Bonobos live in forested areas of the Democratic Republic of Congo. D. Bonobos use sexual activity to avoid conflict. E. Bonobos live in female-centered groups.
Biological evolution can be defined as:
A. changes in gene frequencies in response to specific selective pressures B. changes in gene frequencies as a result of changes in mutation rates C. changes in gene frequencies as a result of genetic drift D. any change in gene frequencies from one generation to the next