The development of similar cultural adaptations to similar environmental conditions by people whose ancestral cultures were already rather alike is called:
a. convergent evolution.
b. parallel evolution.
c. constant evolution.
d. adaptation.
e. diffusion.
ANSWER: b
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Folk art, music, and lore refer to the
A. unrefined manifestations of human creativity produced by illiterate societies. B. expressive cultures of ordinary people. C. forms of artistic expression found in the New World prior to the arrival of Columbus. D. forms of artistic expression that exist independently of any given cultural system. E. manifestations of human creativity that siblings exchange with their progenitors.
Chayanov’s rule states that when resources are converted primarily to household consumption, people will work harder if __________.
A) there are fewer consumers in the household B) everyone in the household contributes to their ability C) everyone in the household contributes the same amount of labor D) there are more consumers in the household
All of the following are true about the recent discovery of the world's oldest child, dubbed "Lucy's Baby," EXCEPT that
A. she is a member of Au. afarensis. B. the 3.3-million-year-old fossilized toddler was uncovered in northern Ethiopia. C. her remains, which are amazingly complete, include a remarkably well-preserved skull, baby teeth, tiny fingers, a torso, a foot, and a kneecap. D. the fossil suggests that the child died because her brain, which appears to have been larger than an average chimp brain at that age, was too large for her slowly developing skull. E. the fossil supports the theory that Au. afarensis walked upright on two legs but still retained an apelike upper body, including two complete shoulder blades similar to a gorilla's, so it could have been better at climbing than are humans.
Because there will always be some random factors of demand that we cannot capture, which of the following is added to the regression equation?
A) an intercept B) consumers' incomes C) the price of the good D) a random error term