During the Neolithic period, there was a gradual increase in the frequency of __________
A. facilities for storing grain
B. processing meat obtained from the hunting of wild species
C. hieroglyphic texts on clay tablets or papyrus
D. human representations in cave paintings
Answer: A
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According to Fish in "Mixed Blood," the striking contrast between the very tall Masai and the stature of the very short Pygmies, both of Africa, is representative of
a. race. b. folk taxonomy. c. hypo-descent. d. human biological variety.
Which of the following is NOT one of the areas where food production was independently invented?
A. the eastern United States B. the Indus Valley C. the Middle East D. sub-Saharan Africa E. northern and southern China
Founder effects is a type of:
a. gene flow b. genetic drift c. natural selection d. environmental selection
Heterozygotes for sickle-cell anemia protect against _______________
Fill in the blank(s) with correct word