A.P._Chapter_34_Test 2 - A.P Biology Chapter 34...

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A.P. Biology: Chapter 34 Test "Vertebrates" Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Vertebrates and tunicates share a. jaws adapted for feeding. b. a high degree of cephalization. c. the formation of structures from the neural crest. d. an endoskeleton that includes a skull. e. a notochord and a dorsal, hollow nerve cord. 2. How are primates different from all other mammals? a. placental embryonic development d. ability to produce milk b. hairy bodies e. opposable thumbs in many species c. arboreal lifestyles 3. What is the single unique characteristic that distinguishes extant birds from other extant animals? a. a hinged jaw d. flight b. Feathers e. a gizzard c. an amniotic egg 4. What is a distinctive feature of the chondrichthyans? a. an amniotic egg b. unpaired fins c. an acute sense of vision that includes the ability to distinguish colors d. a cartilaginous endoskeleton e. lack of jaws 5. What permits reptiles to thrive in arid environments? a. Their bright coloration reflects the intense UV radiation. b. A large number of prey and a limited number of predators are available in the desert. c. A cartilaginous endoskeleton provides needed flexibility for locomotion on sand. d. Their scales contain the protein keratin, which helps prevent dehydration. e. They have an acute sense of sight, especially in bright sunlight. 6. With which of the following statements would a biologist be most inclined to agree? a. Humans and apes represent divergent lines of evolution from a common ancestor. b. Humans evolved from New World monkeys. c. Humans have stopped evolving and now represent the pinnacle of evolution. d. Apes evolved from humans. e. Humans and apes are the result of disruptive selection in a species of gorilla. 7. What do hagfishes and lampreys have in common with the extinct conodonts? a. Lungs d. their mode of feeding b. the jawless condition e. swim bladders c. bony vertebrae 8. Which of the following structures are possessed only by birds? a. enlarged pectoral muscles and heavy bones b. a four-chambered heart c. feathers and keeled sternum d. a short tail and mammary glands e. a large brain and endothermy 9. The earliest known mineralized structures in vertebrates are associated with which function?
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a. reproduction d. defense b. Feeding e. respiration c. locomotion 10. Differentiation of teeth is greatest in a. sharks. b. bony fishes. c. amphibians. d. reptiles. e. mammals. 11. Humans and apes are presently classified in the same category as all of the following levels except a. class. b. genus. c. kingdom. d. order. e. phylum. 12. Which era is known as the "age of reptiles"? a. Cenozoic b. Mesozoic c. Paleozoic d. Precambrian e. Cambrian 13. A sheet of muscle called the diaphragm is found in extant a. birds. d. both A and B b. mammals. e. A, B, and C c. non-avian reptiles. 14.
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A.P._Chapter_34_Test 2 - A.P Biology Chapter 34...

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