19 - Biology:ConceptsandConnections,6e(Campbell) Chapter19...

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Biology: Concepts and Connections, 6e (Campbell)  Chapter 19    1
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The  Evolution of  Vertebrate  Diversity Multiple - Choice Questions 1) 
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The duck - billed platypus and other monotremes differ from other mammals in that they  A) 
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are aquatic.  B) 
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have a  backbone and cranium.  C) 
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lay eggs.  D) 
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have mammary  glands.  E) 
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have hair.  Answer:  
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Topic: 
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Opening Essay  Skill: 
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Factual Recall 2) 
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Mammals  exhibit  many  examples  of traits that are shared among species that are adapted to life in similar environments and ecological niches. Examples  include several species scattered around the world that resemble anteaters. Like anteaters, they have long snouts and  tongues, stout claws, and other features that suit them to eating ants and termites. Yet these species are only distantly  related, and each has an ancestor that does not fit the "anteater stereotype." These are examples of  A) 
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coincidental  similarity.  B) 
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random  evolution.  C) 
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homologous  feature.  D) 
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convergent  evolution.  E) 
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shared derived  characters common to all mammals.  Answer:  
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Topic: 
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Opening Essay  Skill: 
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Application 3) 
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Which of  the following is characteristic of all vertebrates?  A) 
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a skull and a  backbone consisting of vertebrae  B) 
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a calcified  (hard) skeleton and four legs  C) 
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a hinged jaw  D) 
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a terrestrially  adapted egg or some remnant of it  E) 
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lungs or lung  derivatives  Answer:  
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Topic: 
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19.1  Skill: 
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Factual Recall 4) 
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The first  vertebrate with a head and skull probably resembled a  A) 
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This note was uploaded on 02/12/2011 for the course BIOL biology taught by Professor Ahmed during the Spring '11 term at Arizona Western College.

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19 - Biology:ConceptsandConnections,6e(Campbell) Chapter19...

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