Paleoanthropologists disagree about our ancestors, but they do agree that __________.
A) there were at least two separate hominin lines between 3 million and 1 million years ago.
B) there were no extinctions of any early species.
C) evolution could not have played a role in speciation.
D) there is enough evidence to be certain of any conclusions they now draw.
A) there were at least two separate hominin lines between 3 million and 1 million years ago.
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In order to truly appreciate other cultural perspectives, which of the following is most vital?
a. Be willing to make cultural evaluations based on past experience. b. Let go of cultural certainty in order to learn something new. c. Work effectively to achieve short-term goals despite cultural differences. d. Learn to ignore cultural differences as being unimportant. e. Cultivate friendships in as many cultures as possible.
In 1992, Tim White and his team discovered a fossil of what may be the earliest hominid in East Africa, Ardipithecus ramidus
Indicate whether the statement is true or false
Which of the following statements is true of Arembepe, Brazil?
A. Kottak is the only anthropologist to have studied it. B. Over time, it has become more and more isolated from the rest of the world. C. It is an area of multiple research projects conducted by many anthropologists from different countries. D. Only Americans are interested in studying Arembepe. E. The villagers were mobile foragers when Kottak first visited.
When natural selection favors the two extremes and individuals near the mean have lower fertility rates, this is termed:
A. directional selection B. disruptive selection C. stabilizing selection D. averaging selection