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Question
Nonhuman primates avoid close inbreedinga. by actively avoiding matings with offspring.
b. by the transfer of one sex at sexual maturity to distant groups.
c. only in times of famine.
d. Both a and b.
Answer
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Related questions
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Derived features of the Neanderthals includea. thin limbs. b. low, flat crania. c. gracile faces.d. large brains.
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b. an extinct prehuman animal.
c. an undiscovered living race of people.
d. evidence of H. erectus in Europe.
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Homo ergaster used
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Which of the following is evidence that early hominins acquired meat by hunting?
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Olduvai bone and stone-tool accumulations were most likely
a. home bases.
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At modern kill sites there is
a. little conflict.
b. conflict, but only between members of different species.
c. conflict, but only between members of the same species.
d. conflict, both between members of different species and between members of the same species.
Q:
At modern kill sites
a. hunters usually take meat from the limbs, and scavengers eat meat from the skull and vertebrae.
b. hunters usually take meat from the skull and vertebrae, and scavengers eat meat from the limbs.
c. hunters take almost all of the meat, and scavengers eat only cartilage and bone marrow.
d. hunters and scavengers share all parts of carcasses.
Q:
Large mammalian carnivores in Africa
a. never scavenge for meat.
b. scavenge only when they are sick or old.
c. often scavenge for meat rather than hunting.
d. almost always scavenge for meat and vary rarely hunt.
Q:
Which of the following statements is likely true regarding the Olduvai sites?
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d. There are no sites at Olduvai that are simply carnivore kill or cache sites.
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Evidence that hominins ate meat includesa. stone-tool marks on prey bones. b. hominin tooth marks on prey bones. c. hominin fingerprints on prey bones.d. the shape of hominin molars.
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Experimental analysis of bone tools from South Africa suggests that they were used toa. dig up plant roots and tubers. b. extract termites from their mounds. c. dig up tree roots.d. bury carcasses.
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Among contemporary foragers,
a. food sharing and hunting are closely linked.
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The first use of tools
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d. involved distinctly human abilities.
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Which known member of the genus Australopithecus is most like an ancestor to later australopiths and even of our genus, Homo? Support your suggestion with information about features of the hominins noted in the chapter.
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Compared to the gracile australopiths, the robust australopiths
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c. were not appreciably different in any way.
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Australopithecus africanus has derived features not shared with humans. These includea. a fully bipedal gait. b. large canines. c. heavy chewing adaptations.d. a modified pelvis.
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A femur from a bipedal primate ________ than that of a quadrupedal primate.a. has more torque b. is shorter c. is angled inward mored. is angled outward more
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It is likely that Australopithecus afarensisa. matured more slowly than chimpanzees.b. had a brain size three to four times bigger than those of chimpanzees.c. made and used stone tools to scavenge meat.d. lived throughout West, Central, East, and South Africa.
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Features of Australopithecus afarensis that are intermediate between those of apes and humans includea. the shape of the skull.b. the size of the canines. c. the size of the brain.d. both a and b.
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Orrorin tugenensis is identified as a very likely hominid on the basis of what evidence?
a. Features of the base of the skull
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c. Features of the femur
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During the late Miocene, Africa
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b. had an expansion of dense forests.
c. experienced less rain and was more seasonal.
d. shifted farther north.
Q:
You are an expert paleontologist reviewing the work of Professor Bonefinder, who recently discovered the remains of a primate fossil from South America. The fossil has a long snout, a tail, and large orbits that face toward the side and are only partially enclosed. The fossil has been securely dated to about 30 mya. Bonefinder concluded that this fossil is a hominoid. Do you think Professor Bonefinder's analysis is correct? Explain your evaluation.