Prehistoric time1

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<ul><li><p>Prehistoric TimeMs. Byrds 2nd grade</p></li><li><p>DinosaursDinosaurs are named for certain features of their appearanceExample their head shape, tooth shape, or other unusual features</p></li><li><p>Triceratops means three-horned head</p><p>Spinosauras means spiny lizard</p><p>Astrodon means star tooth</p></li><li><p>ExtinctionExtinction is the process in which a species dies out. (meaning no longer existing)</p><p>Still unknown why dinosaurs became extinct</p></li><li><p>Video</p></li><li><p>Oral QuizWhy does the name triceratops mean?</p><p>What does extinction mean?</p><p>What is one theory they used to explain extinction?</p></li><li><p>BibliographyThis project was created using the fair use guidelines</p><p>Col, Jeananda. Enchanted Learning. http://www.EnchantedLearning.com 1996 </p></li></ul>