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Chapter 31: Reptiles and Birds

Practice Test
      
  1.________ enabled reptiles to become completely independent of water for reproduction.  
  a.   Four-chambered hearts  
  b.   Claws  
  c.   Amniotic eggs  
  d.   Scales  
  Hint    
      
  2.One advantage of a four-chambered heart over a three-chambered heart is that a four-chambered heart __________.  
  a.   makes blood less likely to clot  
  b.   causes blood to move more slowly  
  c.   enables animals to pump blood  
  d.   allows more oxygen to reach body tissues  
  Hint    
      
  3.Birds grind up food with small stones in their __________.  
  a.   stomachs  
  b.   jaws  
  c.   gizzards  
  d.   beaks  
  Hint    
      
  4.In the amniotic egg, the membrane filled with fluid surrounding the embryo is the _________.  
  a.   allantois  
  b.   amnion  
  c.   chorion  
  d.   yolk  
  Hint    
      
  5.Reptiles and birds share the following characteristics: scales, claws and __________.  
  a.   shelled eggs  
  b.   feathers  
  c.   endothermy  
  d.   sternums  
  Hint    
      
  6.Reptiles will not be found in __________.  
  a.   temperate regions  
  b.   extremely cold regions  
  c.   water  
  d.   hot climates  
  Hint    
      
  7.Snakes do not have __________.  
  a.   limbs  
  b.   internal fertilization  
  c.   amniotic eggs  
  d.   teeth  
  Hint    
      
  8.Legs of reptiles are __________.  
  a.   better suited to the endothermic lifestyle of reptiles  
  b.   better suited to having a four-chambered heart  
  c.   positioned out to their sides, like salamanders` legs  
  d.   positioned more directly underneath their bodies  
  Hint    
      
  9.The largest living reptiles are __________.  
  a.   crocodiles  
  b.   lizards  
  c.   turtles  
  d.   snakes  
  Hint    
      
  10.Most of the air inhaled by a bird goes directly into its __________.  
  a.   lungs  
  b.   air sacs  
  c.   hollow bones  
  d.   air bladder  
  Hint    
      
  11.In an amniotic egg, the embryo`s wastes are excreted into the __________.  
  a.   chorion  
  b.   amnion  
  c.   albumen  
  d.   allantois  
  Hint    
      
  12.Flight is made easier for birds because they have __________.  
  a.   hollow bones  
  b.   claws  
  c.   lungs  
  d.   oxygenated blood  
  Hint    
      
  13.The ancient reptile from which all others may have evolved was the __________.  
  a.   cotylosaur  
  b.   ostracoderm  
  c.   dinosaur  
  d.   placoderm  
  Hint    
      
  14.During the Mesozoic era, the most common land animals were the __________.  
  a.   mammals  
  b.   dinosaurs  
  c.   amphibians  
  d.   birds  
  Hint    
      
  15.Birds are similar to reptiles in that they have clawed toes and __________.  
  a.   endothermy  
  b.   a sternum  
  c.   provide maternal care for their young  
  d.   scales on their feet  
  Hint    

 
   
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