The two species of early hominins known from South Africa are:
A. Australopithecus anamensis and Australopithecus afarensis
B. Australopithecus afarensis and Paranthropus boisei
C. Australopithecus africanus and Paranthropus robustus
D. Ardipithecus ramidus and Australopithecus afarensis
C. Australopithecus africanus and Paranthropus robustus
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An egalitarian society
A. is a key attribute of states. B. must exist for a democratic state to emerge. C. lacks status distinctions except those based on age, gender, and individual talents or achievements. D. rarely experiences warfare and is therefore immune to the forces that inevitably lead to state formation. E. lacks status distinctions among its members.
Radiometric dating techniques are based on what principle?
a. sunspot activity b. regular, known rate of isotopic decay c. regular changes in earth's magnetic field d. superposition e. competitive exclusion
Recent discoveries have led paleoanthropologists to now focus on what type of environment as the earliest environment for our human ancestors?
a. Savannah b. Tropical marsh areas c. Deserts d. Forests e. Tundra
If there is too great a difference in caste between two people, contact between them can be __________ for the higher caste person
a. stressful b. difficult to maintain c. embarrassing d. ritually polluting