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2. Within a decade of the introduction of a new insecticide, nearly all of the
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<blockquote data-quote="AlexFrenadez" data-source="post: 2200655" data-attributes="member: 775016"><p>descendants of the target pes? 1. According to Figure 14-4, the correct chronological order of organisms as they develop are _____.</p><p></p><p> (1 point)</p><p>birds, dinosaurs, jawed fish, prokaryotes</p><p>dinosaurs, jawed fish, birds, prokaryotes</p><p>jawed fish, dinosaurs, prokaryotes, birds</p><p>prokaryotes, jawed fish, dinosaurs, birds</p><p>2. Within a decade of the introduction of a new insecticide, nearly all of the descendants of the target pests were immune to the usual-sized dose. The most likely explanation for this immunity to the insecticide is that _____. (1 point)</p><p>eating the insecticide caused the bugs to become resistant to it</p><p>eating the insecticide caused the bugs to become less resistant to it</p><p>it destroyed organisms that cause disease in the insects, thus allowing them to live longer</p><p>the pests developed physiological adaptations to the insecticide</p><p>3. Structures that have a similar evolutionary origin and structure but are adapted for different purposes, such as a bat wing and a human arm, are called _____. (1 point)</p><p>embryological structures</p><p>analogous structures</p><p>homologous structures</p><p>homozygous structures</p><p>4. A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is _____. (1 point)</p><p>disruptive selection</p><p>convergent evolution</p><p>directional selection</p><p>divergent evolution</p><p>5. _____ selection favors one extreme form of a trait in a population. (1 point)</p><p>Directional</p><p>Stabilizing</p><p>Disruptive</p><p>Natural</p><p>6. What is the movement of genes into and out of a gene pool called? (1 point)</p><p>random mating</p><p>nonrandom mating</p><p>gene flow</p><p>direct evolution</p><p>7. Which combination of characteristics in a population would provide the greatest potential for evolutionary change? (1 point)</p><p>small population, few mutations</p><p>small population, many mutations</p><p>large population, few mutations</p><p>large population, many mutations</p><p>8. The structures shown in Figure 15-5 are _____.</p><p></p><p></p><p> (1 point)</p><p>homologous</p><p>heterologous</p><p>analogous</p><p>vestigial</p><p>9. The first hominids to make and use simple stone tools were _____. (1 point)</p><p>Homo sapiens</p><p>Homo habilis</p><p>Australopithecus afarensis</p><p>Australopithecus africanus</p><p>10. The major anatomical difference between hominids and the apes is that the foramen magnum is _____ in hominids. (1 point)</p><p>less developed</p><p>located at the bottom of the skull</p><p>thicker</p><p>all of these</p><p>11. It has been determined that the earliest primates probably lived in the _____. (1 point)</p><p>grasslands</p><p>mountains</p><p>forests</p><p>deserts</p><p>12. Why might the beak of the Akialoa, pictured in Figure 15-7, have developed this way?</p><p></p><p></p><p> (1 point)</p><p>to reach nectar in flowers</p><p>to dig through tree bark for insects</p><p>to scoop up fish</p><p>to crack open seeds</p><p>13. Most early hominid fossils have been found in _____. (1 point)</p><p>Egypt</p><p>France</p><p>Africa</p><p>North America</p><p>14. Some primate skeletons were located in a cave in association with these things: a variety of tools, the charred bones of some animals they had cooked and eaten, and numerous paintings on the walls. Carbon-14 dating techniques determined that the bones and other artifacts were about 35,000 years old. The skeletal remains probably belonged to _____. (1 point)</p><p>afarensis</p><p>Homo habilis</p><p>Cro-Magnons</p><p>Homo erectus</p><p>15. Which characteristic of the skulls in figure 16-4 shows an increase in intelligence?</p><p></p><p> (1 point)</p><p>increased brain cavity size</p><p>decreased teeth size</p><p>smaller eye sockets</p><p>rounder jaw</p><p>16. The placing of information or objects into groups based on certain similarities is _____. (1 point)</p><p>biochemical analysis</p><p>classification</p><p>phylogeny</p><p>speciation</p><p>17. The science of grouping and naming organisms is _____. (1 point)</p><p>classification</p><p>phylogeny</p><p>nomenclature</p><p>taxonomy</p><p>Note: Your teacher will grade your responses to questions 18–21 to ensure you receive proper credit for your answers.</p><p>18. How do scientists learn about organisms of the past when studying fossils? (2 points)</p><p></p><p>19. Summarize Darwin's theory of evolution by natural selection. (2 points)</p><p></p><p>20. Describe three adaptations primates have for dwelling in trees. (3 points)</p><p></p><p>21. What are three advantages of using scientific names for organisms? (3 points)</p></blockquote><p></p>
[QUOTE="AlexFrenadez, post: 2200655, member: 775016"] descendants of the target pes? 1. According to Figure 14-4, the correct chronological order of organisms as they develop are _____. (1 point) birds, dinosaurs, jawed fish, prokaryotes dinosaurs, jawed fish, birds, prokaryotes jawed fish, dinosaurs, prokaryotes, birds prokaryotes, jawed fish, dinosaurs, birds 2. Within a decade of the introduction of a new insecticide, nearly all of the descendants of the target pests were immune to the usual-sized dose. The most likely explanation for this immunity to the insecticide is that _____. (1 point) eating the insecticide caused the bugs to become resistant to it eating the insecticide caused the bugs to become less resistant to it it destroyed organisms that cause disease in the insects, thus allowing them to live longer the pests developed physiological adaptations to the insecticide 3. Structures that have a similar evolutionary origin and structure but are adapted for different purposes, such as a bat wing and a human arm, are called _____. (1 point) embryological structures analogous structures homologous structures homozygous structures 4. A pattern of evolution that results when two unrelated species begin to appear similar because of environmental conditions is _____. (1 point) disruptive selection convergent evolution directional selection divergent evolution 5. _____ selection favors one extreme form of a trait in a population. (1 point) Directional Stabilizing Disruptive Natural 6. What is the movement of genes into and out of a gene pool called? (1 point) random mating nonrandom mating gene flow direct evolution 7. Which combination of characteristics in a population would provide the greatest potential for evolutionary change? (1 point) small population, few mutations small population, many mutations large population, few mutations large population, many mutations 8. The structures shown in Figure 15-5 are _____. (1 point) homologous heterologous analogous vestigial 9. The first hominids to make and use simple stone tools were _____. (1 point) Homo sapiens Homo habilis Australopithecus afarensis Australopithecus africanus 10. The major anatomical difference between hominids and the apes is that the foramen magnum is _____ in hominids. (1 point) less developed located at the bottom of the skull thicker all of these 11. It has been determined that the earliest primates probably lived in the _____. (1 point) grasslands mountains forests deserts 12. Why might the beak of the Akialoa, pictured in Figure 15-7, have developed this way? (1 point) to reach nectar in flowers to dig through tree bark for insects to scoop up fish to crack open seeds 13. Most early hominid fossils have been found in _____. (1 point) Egypt France Africa North America 14. Some primate skeletons were located in a cave in association with these things: a variety of tools, the charred bones of some animals they had cooked and eaten, and numerous paintings on the walls. Carbon-14 dating techniques determined that the bones and other artifacts were about 35,000 years old. The skeletal remains probably belonged to _____. (1 point) afarensis Homo habilis Cro-Magnons Homo erectus 15. Which characteristic of the skulls in figure 16-4 shows an increase in intelligence? (1 point) increased brain cavity size decreased teeth size smaller eye sockets rounder jaw 16. The placing of information or objects into groups based on certain similarities is _____. (1 point) biochemical analysis classification phylogeny speciation 17. The science of grouping and naming organisms is _____. (1 point) classification phylogeny nomenclature taxonomy Note: Your teacher will grade your responses to questions 18–21 to ensure you receive proper credit for your answers. 18. How do scientists learn about organisms of the past when studying fossils? (2 points) 19. Summarize Darwin's theory of evolution by natural selection. (2 points) 20. Describe three adaptations primates have for dwelling in trees. (3 points) 21. What are three advantages of using scientific names for organisms? (3 points) [/QUOTE]
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