A) bilophodont.
B) two-ridge tooth.
C) diastema.
D) tooth comb.
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A) proportional to human brain size.
B) more or less the same in large and small primates.
C) smaller than in other large mammals.
D) larger among great apes than among other primates.
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A) eating a wide variety of foods.
B) lack of diversity of diets over time.
C) diets composed of a variety of red meats.
D) diets composed of a variety of fruits.
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In both the cladistic and traditional me...View Answer
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A) is present in nonhuman primates but not humans, because humans lost this feature.
B) is present in nonhuman primates but not humans, because primates evolved this feature.
C) is present in all primates.
D) is only found in Old World primates.
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A) results in extended periods of nursing and development to accommodate increasing behavioral complexity.
B) results in shorter developmental periods to accommodate the necessary energy expenditures of larger brain size.
C) demonstrates the importance of intelligence in primate evolution.
D) demonstrates the importance of intelligence in primate evolution AND results in extended periods of nursing and development to accommodate increasing behavioral complexity.
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A) using the forelimbs to move from tree limb to tree limb.
B) quadrupedal locomotion including the use of a tail.
C) clinging and leaping locomotion in an arboreal environment.
D) bipedality in nonhumans.
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A) represent the range of sizes in living lemurs, though extinct lemurs included larger forms.
B) are improperly named since the "mouse" lemur is nearly gorilla-size, much larger than the indri.
C) are found in the Old World and the New World, respectively.
D) are both extinct lemurs known to have lived across the African continent.
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A) Humans grow the fastest and live the longest.
B) Lemurs grow the fastest and live the longest.
C) Lemurs grow for two years, anthropoid primates for six to seven years, and humans for 14-19 years.
D) Lemurs grow for 14-19 years, anthropoid primates for six to seven years, and humans for 11 years.
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A) present in catarrhine primates.
B) present in most primates.
C) common in platyrrhines.
D) made strictly of muscle.
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A) baboons
B) gibbons
C) lemurs
D) tamarins
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A) Old World monkey, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet.
B) lesser ape, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet.
C) New World monkey, because these are the only monkeys that live in trees.
D) New World monkey, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet.
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A) largest body relative to other animals.
B) greatest level of biological adaptability.
C) largest body size.
D) largest brain relative to body size.
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A) are mostly frugivorous.
B) are usually terrestrial.
C) have specialized digestive anatomy for eating leaves.
D) are referred to as "cheek pouch" monkeys.
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A) adaptation to life in the trees.
B) the ability to brachiate.
C) adaptation to life in the savanna.
D) the ability to move on four limbs.
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A) is fully bipedal, such as a human.
B) is fully quadrupedal, such as a dog.
C) spends a lot of time in trees.
D) is usually bipedal but sometimes quadrupedal.
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A) almost identical, even though the two groups of primates locomote in entirely different ways.
B) different in their shape and size so that the difference between quadrupedal and bipedal locomotion can be distinguished.
C) almost identical, since the two types of primates both move around quadrupedally and bipedally, as needed.
D) the same except for the size of the gluteal maximus, which is largest in the nonhuman ape.
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A) monkeys and apes, including humans.
B) African and Asian apes only.
C) tarsiers, monkeys, and apes only.
D) lemurs, lorises, galagos, and tarsiers.
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A) the series of apparent adaptations that are never actually used.
B) the use of an anatomical feature in a way unrelated to the feature's original function.
C) an anatomical feature used in the manner for which it was originally selected.
D) a phenomenon that occurs before natural selection can occur.
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A) far apart and face sideways.
B) close together and face downward.
C) large due to their heightened sense of smell.
D) wide and include a large nasal sinus.
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