In the United States, what proportion of women under the age of 45 report living together while unmarried?
A) more than half
B) one-quarter
C) one-third
D) one in 10
A
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Bifacially flaked tools characterize the _______ stone tool industry.
Fill in the blank(s) with the appropriate word(s).
Which gene accounts for 74 percent of the variation in human eye color?
a. MC1R b. OCA2 c. DELTA23 d. FOXP2 e. HOX
Discrete structures composed of DNA and proteins are called
a. chromosomes. b. ribosomes. c. organelles. d. chromatin. e. mitochondria.
Why must we be cautious about drawing inferences about our past from the lifestyles of modern foraging societies?
A) Like all societies, foraging societies have evolved and are still evolving. B) Our ancestors had regular interactions with other societies, while modern foragers remain isolated. C) Contemporary foragers live in environments that ancient foragers never used. D) Modern foraging societies represent an artificial return to what people believe were the "old" ways.