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BIO 110, Life Science

BIO 110, Life Science. Summer 2012. Readings. Wikipedia http:// en.wikipedia.org/wiki/Dinosaur http:// en.wikipedia.org/wiki/Parasaurolophus http:// en.wikipedia.org/wiki/Dinosaur_renaissance Other Alligator sounds: http:// www.soundboard.com/sb/Alligator_sounds_audio.aspx

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BIO 110, Life Science

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  1. BIO 110, Life Science Summer 2012

  2. Readings • Wikipedia • http://en.wikipedia.org/wiki/Dinosaur • http://en.wikipedia.org/wiki/Parasaurolophus • http://en.wikipedia.org/wiki/Dinosaur_renaissance • Other • Alligator sounds: http://www.soundboard.com/sb/Alligator_sounds_audio.aspx • An alternate view of independent origin: http://blogs.smithsonianmag.com/dinosaur/2009/07/did-dinosaurs-roar/ • Parasaurolophus research: http://www.sandia.gov/media/dinosaur.htm • Live-bearing: http://blogs.smithsonianmag.com/dinosaur/2011/05/two-views-on-how-to-make-a-baby-sauropod/

  3. Easily-recognized clades • Flowering plants: flowers and fruits • Animals: blastula • Vertebrates: backbone • Insects: three pairs of walking legs

  4. “Controversial” claims about dinosaurs • Dinosaurs are “warm-blooded” • Endothermic vs. ectothermic • Homoeothermic vs. poikilothermic • Dinosaur mothers cared for their young • Dinosaurs may have vocalized to defend territories or attract mates • Dinosaurs may have borne “live young” (no eggs)

  5. Crocodilians and birds • Homoeothermy • Parental care • Vocalization • Roles of the larynx and syrinx • Egg-laying

  6. Zebra stripes • Cryptic coloration? • Insect repellent? • Missing the big picture

  7. Life • Single or multiple origins? • The genetic code: possible homology for all organisms today

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