PrepTest 85, Section 4, Question 12

Difficulty: 
Passage
Game
2

Through years of excavations and careful analysis of her finds around Krasnyi Yar in Kazakhstan, archaeologist Sandra Olsen has assembled what may be evidence of the earliest known people to have domesticated and ridden horses, a momentous development in human history. In remains of pit houses of the Botai people, who inhabited this area some 6,000 years ago, are large numbers of bones, 90 percent of them from horses. It is not immediately evident whether the horses were wild or domesticated, because unlike other animals such as dogs and sheep, domestic horses' bones are not morphologically different from those of their wild counterparts. So Olsen relies heavily on statistical tabulations of the Botai horses by sex and age at death, looking for mortality patterns that might correlate with expectations regarding domesticated herds or wild victims of hunting.

Herders of domesticated animals used for meat or milk typically kill off all but a few males before they are fully mature, but not the females, and archaeologists have evidence of a similar pattern for prehistoric goat herding. At the Botai sites, however, Olsen has found that most of the male horses were fully grown and slightly outnumber the females. One might suppose, then, that they were wild rather than domesticated animals; with many large animal species, hunters would preferentially target adult males so as to maximize size and meat yield. However, it is different with horses. Wild horses live in two types of groups: families consisting of one stallion, six or so adult females, and their young; and bachelor pods consisting of a few males. The families stick together when attacked, but the male groups tend to scatter, so to maximize success in hunting horses, one would target the families. Thus, if the Botai had merely hunted horses, Olsen argues, the proportion of adult male bones should be lower. But if they were in domesticated herds, why were the young males not culled, as would typically occur with, say, herds of goats? Olsen reasons that if the Botai had indeed begun riding, they would likely have kept males alive to ride.

Another clue that at least some of the horses may have been domesticated and that some may have even been ridden is in the fact that their remains include full skeletons, entire vertebral columns, and pelvises. It is unreasonable to suppose that hunters dragged whole 1,000-pound carcasses back to their dwellings. Olsen reasons that these were probably domesticated horses, together with, perhaps, some wild ones hunted and transported using the power of domesticated horses. A number of these nearly whole horse skeletons were discovered buried in a carefully arranged pattern with some of the only human remains yet found in the area, which further suggests a relationship to horses beyond that of merely hunting them as a source of meat.

Through years of excavations and careful analysis of her finds around Krasnyi Yar in Kazakhstan, archaeologist Sandra Olsen has assembled what may be evidence of the earliest known people to have domesticated and ridden horses, a momentous development in human history. In remains of pit houses of the Botai people, who inhabited this area some 6,000 years ago, are large numbers of bones, 90 percent of them from horses. It is not immediately evident whether the horses were wild or domesticated, because unlike other animals such as dogs and sheep, domestic horses' bones are not morphologically different from those of their wild counterparts. So Olsen relies heavily on statistical tabulations of the Botai horses by sex and age at death, looking for mortality patterns that might correlate with expectations regarding domesticated herds or wild victims of hunting.

Herders of domesticated animals used for meat or milk typically kill off all but a few males before they are fully mature, but not the females, and archaeologists have evidence of a similar pattern for prehistoric goat herding. At the Botai sites, however, Olsen has found that most of the male horses were fully grown and slightly outnumber the females. One might suppose, then, that they were wild rather than domesticated animals; with many large animal species, hunters would preferentially target adult males so as to maximize size and meat yield. However, it is different with horses. Wild horses live in two types of groups: families consisting of one stallion, six or so adult females, and their young; and bachelor pods consisting of a few males. The families stick together when attacked, but the male groups tend to scatter, so to maximize success in hunting horses, one would target the families. Thus, if the Botai had merely hunted horses, Olsen argues, the proportion of adult male bones should be lower. But if they were in domesticated herds, why were the young males not culled, as would typically occur with, say, herds of goats? Olsen reasons that if the Botai had indeed begun riding, they would likely have kept males alive to ride.

Another clue that at least some of the horses may have been domesticated and that some may have even been ridden is in the fact that their remains include full skeletons, entire vertebral columns, and pelvises. It is unreasonable to suppose that hunters dragged whole 1,000-pound carcasses back to their dwellings. Olsen reasons that these were probably domesticated horses, together with, perhaps, some wild ones hunted and transported using the power of domesticated horses. A number of these nearly whole horse skeletons were discovered buried in a carefully arranged pattern with some of the only human remains yet found in the area, which further suggests a relationship to horses beyond that of merely hunting them as a source of meat.

Through years of excavations and careful analysis of her finds around Krasnyi Yar in Kazakhstan, archaeologist Sandra Olsen has assembled what may be evidence of the earliest known people to have domesticated and ridden horses, a momentous development in human history. In remains of pit houses of the Botai people, who inhabited this area some 6,000 years ago, are large numbers of bones, 90 percent of them from horses. It is not immediately evident whether the horses were wild or domesticated, because unlike other animals such as dogs and sheep, domestic horses' bones are not morphologically different from those of their wild counterparts. So Olsen relies heavily on statistical tabulations of the Botai horses by sex and age at death, looking for mortality patterns that might correlate with expectations regarding domesticated herds or wild victims of hunting.

Herders of domesticated animals used for meat or milk typically kill off all but a few males before they are fully mature, but not the females, and archaeologists have evidence of a similar pattern for prehistoric goat herding. At the Botai sites, however, Olsen has found that most of the male horses were fully grown and slightly outnumber the females. One might suppose, then, that they were wild rather than domesticated animals; with many large animal species, hunters would preferentially target adult males so as to maximize size and meat yield. However, it is different with horses. Wild horses live in two types of groups: families consisting of one stallion, six or so adult females, and their young; and bachelor pods consisting of a few males. The families stick together when attacked, but the male groups tend to scatter, so to maximize success in hunting horses, one would target the families. Thus, if the Botai had merely hunted horses, Olsen argues, the proportion of adult male bones should be lower. But if they were in domesticated herds, why were the young males not culled, as would typically occur with, say, herds of goats? Olsen reasons that if the Botai had indeed begun riding, they would likely have kept males alive to ride.

Another clue that at least some of the horses may have been domesticated and that some may have even been ridden is in the fact that their remains include full skeletons, entire vertebral columns, and pelvises. It is unreasonable to suppose that hunters dragged whole 1,000-pound carcasses back to their dwellings. Olsen reasons that these were probably domesticated horses, together with, perhaps, some wild ones hunted and transported using the power of domesticated horses. A number of these nearly whole horse skeletons were discovered buried in a carefully arranged pattern with some of the only human remains yet found in the area, which further suggests a relationship to horses beyond that of merely hunting them as a source of meat.

Through years of excavations and careful analysis of her finds around Krasnyi Yar in Kazakhstan, archaeologist Sandra Olsen has assembled what may be evidence of the earliest known people to have domesticated and ridden horses, a momentous development in human history. In remains of pit houses of the Botai people, who inhabited this area some 6,000 years ago, are large numbers of bones, 90 percent of them from horses. It is not immediately evident whether the horses were wild or domesticated, because unlike other animals such as dogs and sheep, domestic horses' bones are not morphologically different from those of their wild counterparts. So Olsen relies heavily on statistical tabulations of the Botai horses by sex and age at death, looking for mortality patterns that might correlate with expectations regarding domesticated herds or wild victims of hunting.

Herders of domesticated animals used for meat or milk typically kill off all but a few males before they are fully mature, but not the females, and archaeologists have evidence of a similar pattern for prehistoric goat herding. At the Botai sites, however, Olsen has found that most of the male horses were fully grown and slightly outnumber the females. One might suppose, then, that they were wild rather than domesticated animals; with many large animal species, hunters would preferentially target adult males so as to maximize size and meat yield. However, it is different with horses. Wild horses live in two types of groups: families consisting of one stallion, six or so adult females, and their young; and bachelor pods consisting of a few males. The families stick together when attacked, but the male groups tend to scatter, so to maximize success in hunting horses, one would target the families. Thus, if the Botai had merely hunted horses, Olsen argues, the proportion of adult male bones should be lower. But if they were in domesticated herds, why were the young males not culled, as would typically occur with, say, herds of goats? Olsen reasons that if the Botai had indeed begun riding, they would likely have kept males alive to ride.

Another clue that at least some of the horses may have been domesticated and that some may have even been ridden is in the fact that their remains include full skeletons, entire vertebral columns, and pelvises. It is unreasonable to suppose that hunters dragged whole 1,000-pound carcasses back to their dwellings. Olsen reasons that these were probably domesticated horses, together with, perhaps, some wild ones hunted and transported using the power of domesticated horses. A number of these nearly whole horse skeletons were discovered buried in a carefully arranged pattern with some of the only human remains yet found in the area, which further suggests a relationship to horses beyond that of merely hunting them as a source of meat.

Question
12

The reference by the author of the passage to the practices of herders of domesticated animals (first sentence of the second paragraph) serves primarily as

a point of comparison for reaching conclusions about the use of horses by the Botai

an example of an earlier case that, like the Botai case, is inconsistent with accepted hypotheses concerning the domestication of horses

a refutation of traditional beliefs and assumptions about Botai goat herding

a simplification of a hypothesis about the relationship between humans and animals in cultures 6,000 years ago

an analogy meant to clarify the facts known about the domestication of animals by the Botai 6,000 years ago

A
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