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Origin of Dinosaurs

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show Anapsid  
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show Synapsid  
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show diapsids  
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When period did insects appear?   show
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A synonym for a four-legged creature   show
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show Frogs, salamanders, turtles, lizards, snakes, crocodiles, mammals, and DINOSAURS  
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show "Dawn of Modern Ecosystems"  
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show dicynodonts  
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show Archosauria, meaning 'ruling reptile'  
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What living forms are current today that belong in the archosaur group?   show
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show Crurotarsi  
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show aetosaurs, postosuches, and terrestrisuchus  
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In archosaurs, what other group includes birds, dinosaurs, and pterosaurs?   show
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show Ischigualasto Formation, Argentina  
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What are some theropods produced by the Ischigualasto Formation?   show
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show Panphagia  
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Herbivore in the formation?   show
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What are some characteristics of the first dinosaurs?   show
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show Competition  
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What gave dinosaurs the edge over other animals living in the Late Triassic?   show
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Created by: Chelseagirl2508
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