11-hurlburt0 - Chapter 11 Were Dinosaurs Cold- or...

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Chapter 11 Were Dinosaurs Cold- or Warm-Blooded?: An Exercise in Scientific Inference Grant R. Hurlburt Department of Zoology University of Toronto Toronto, Ontario M5S 1A1 Grant is a Ph.D. candidate in Zoology (Vertebrate Paleontology) at the University of Toronto. His research interests include the determination and study of relative brain size in recent and fossil vertebrates, and the interpretation of endocranial casts. His M.Sc. thesis was a detailed study of the endocranial cast of the domestic dog Canis familiaris . © 1994 Grant R. Hurlburt 181 Association for Biology Laboratory Education (ABLE) ~ http://www.zoo.utoronto.ca/able Reprinted from: Hurlburt, G. R. 1994. Were dinosaurs cold- or warm-blooded?: An exercise in scientific inference. Pages 181-214, in Tested studies for laboratory teaching, Volume 15 (C. A. Goldman, Editor). Proceedings of the 15th Workshop/Conference of the Association for Biology Laboratory Education (ABLE), 390 pages. - Copyright policy: http://www.zoo.utoronto.ca/able/volumes/copyright.htm Although the laboratory exercises in ABLE proceedings volumes have been tested and due consideration has been given to safety, individuals performing these exercises must assume all responsibility for risk. The Association for Biology Laboratory Education (ABLE) disclaims any liability with regards to safety in connection with the use of the exercises in its proceedings volumes.
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182 Relative Brain Size Contents Introduction. ................................................................................................................... 182 Materials . ....................................................................................................................... 183 Student Outline . ............................................................................................................. 184 Notes for the Instructor. ................................................................................................. 198 Acknowledgements. ....................................................................................................... 201 Literature Cited and Further Reading. ........................................................................... 204 Appendix A: Drawings of Endocranial Casts. ............................................................... 205 Appendix B: Natural History of Selected Dinosaurs. .................................................... 209 Appendix C: Resource Material . ................................................................................... 211 Introduction This exercise introduces students to scientific inference. They will infer the mode of thermal regulation of dinosaurs (i.e., were they cold- or warm-blooded?) by comparing the relative brain size of dinosaurs to that of modern vertebrates. In the past 20 years, several lines of evidence have been introduced that suggest that dinosaurs were warm-blooded, not cold-blooded as traditionally thought. The size of the brain relative to the size of the body is one line of evidence. Modern
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This note was uploaded on 08/28/2011 for the course ESE 585 taught by Professor Richardhoward during the Fall '11 term at Purdue University-West Lafayette.

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11-hurlburt0 - Chapter 11 Were Dinosaurs Cold- or...

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