Neandertal teeth __________
a. were more fragile than H. sapiens teeth
b. show similar wear patterns to those of modern human populations
c. show excessive wear and may have been used to hold objects
d. were much smaller than those of modern human populations
Answer c
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Canadian Inuit face health problems related to high levels of what contaminant in sea mammals?
A. methane B. mercurial triphenyls C. polychlorinated biphenyls D. ?diestrogen polychromate
Which of the following best describes microevolution?
A. genetic changes in a population without speciation B. the divergence of one ancestral species into two C. the formation of a new species D. the exchange of genetic material through interbreeding E. long periods of stability with occasional evolutionary leaps
The fact that chimpanzees and other nonhuman primates engage in masturbation and same-sex sexual activity suggests that
A. human sexuality is completely determined by biology. B. human sexuality is completely determined by culture. C. flexibility in sexual expression is part of humans' primate heritage. D. it is immoral for humans to engage in such activities. E. heterosexual sex is more common among humans than among other primates.
Which is a trend in hominin evolution?
A. enlargement of face and jaw B. decrease in the size of the brain C. decreasing reliance on cultural adaptations D. increase in social complexity