0554896 Dino-birds!

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This is a slideshow about feathered dinosaurs, the early ancestors of birds. Scientists have found a number of similarities between dinosaurs from the Jurassic period and contemporary birds - everything from the skeletal structure to the possibility of flight.

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0554896 Dino-birds!

  1. 2. Feathered Dinosaurs? <ul><li>Scientists have recently realized that birds are the descendents of dinosaurs. Not only that, but some scientists also say that dinosaurs as far back as the Jurassic era may have even been feathered! </li></ul>
  2. 3. The Skeleton <ul><li>There are a number of skeletal similarities between birds and dinosaurs. These include: </li></ul><ul><li>The structure of the hip bone </li></ul><ul><li>The furcula (otherwise known as the wishbone) </li></ul><ul><li>The brooding of eggs </li></ul><ul><li>Air-filled bones </li></ul><ul><li>The feet – the most distinguishing feature is that both dinosaurs and birds are theropods! </li></ul><ul><li>Feathers evolved from scales. In fact, many dinosaurs may have had feathers (including Velociraptors and baby Tyrannosauruses) </li></ul>
  3. 4. A T-Rex vs. A Common Bird
  4. 5. What is a Theropod? <ul><li>A Theorpod is the kind of bipedal dinosaur, which means they stood on two feet which each have three toes. Theropods first appeared in the late Triassic period and have evolved into contemporary birds. </li></ul>
  5. 6. Size of Theropods in Length
  6. 7. Fossilized Feathers <ul><li>Fossilized feathers were found in China that date back to the late Jurassic period. Velociraptors, made famous in Jurassic Park , were likely feathered and may have even been capable of flight. </li></ul>
  7. 8. What feathered dinosaurs may have looked like…
  8. 9. As an Added Bonus: Generally, What People Think of Dinosaurs: * * Not representative of any factual data
  9. 10. Resources <ul><li>Info: </li></ul><ul><ul><li>http://www.sdnhm.org/exhibits/feathered/index.html </li></ul></ul><ul><ul><li>http://www.newscientist.com/article.ns?id=dn2002 </li></ul></ul><ul><ul><li>http:// en.wikipedia.org/wiki/Theropod </li></ul></ul><ul><ul><li>http://en.wikipedia.org/wiki/Tyrannosaurus </li></ul></ul><ul><ul><li>http://en.wikipedia.org/wiki/Giganotosaurus </li></ul></ul><ul><ul><li>http://en.wikipedia.org/wiki/Velociraptor </li></ul></ul><ul><ul><li>http://en.wikipedia.org/wiki/Blue_jay </li></ul></ul><ul><li>Images: </li></ul><ul><ul><li>http:// www.sdnhm.org/exhibits/feathered/images/dei_head.jpg </li></ul></ul><ul><ul><li>http://news.nationalgeographic.com/news/2004/10/photogalleries/feathered_dinosaur/images/primary/feathery_dino1.jpg </li></ul></ul><ul><ul><li>http://www.fossiel.net/kids/images/tyrannosaurus.gif </li></ul></ul><ul><ul><li>http://www.biology-resources.com/drawing-bird-skeleton.html </li></ul></ul><ul><ul><li>http:// en.wikipedia.org/wiki/Image:TrexFoot.jpg </li></ul></ul><ul><ul><li>http://www.newscientist.com/data/images/ns/cms/dn12666/dn12666-1_294.jpg </li></ul></ul><ul><ul><li>http://blog.wired.com/wiredscience/images/2007/06/13/dinosaur.jpg </li></ul></ul>
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