Anatomy Evolution Worksheet Essay

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Howard Hughes Medical Institute 2011 Holiday Lectures on Science Skeletons Reveal Human and Chimpanzee Evolution Student Worksheet About This Worksheet This worksheet complements the Click and Learn “Skeletons Reveal Human and Chimpanzee Evolution” developed in conjunction with the 2011 Holiday Lectures on Science, “Bones, Stones, and Genes: The Origin of Modern Humans”. Author: Mark Eberhard, St. Clair High School Web Link: www.hhmi.org/biointeractive/skeletons-reveal-human-and-chimpanzee-evolution Click the arrow in the bottom right corner of the screen to proceed to Slide 2 and begin the Click and Learn. 1. What is a phylogenetic tree used to illustrate? __________________________________________________ A phylogenetic tree is used to…show more content…
8. Bones are one anatomical feature that can provide a wealth of information. List SEVEN things scientists can learn about an organism by examining its bones. a. Bone's reveal an animal's size and shape. ____________________________________________________________________________________ b. Bone composition reveals age. ____________________________________________________________________________________ c. ____________________________________________________________________________________ A ridge on the skull tells you about the size of the muscles that control the lower jaw. d. The position of the eyes may indicate whether an animal is prey or predator. ____________________________________________________________________________________ e. ____________________________________________________________________________________ Teeth tell you about diet and social behavior. f. The size and shape of the pelvis gives clues to how an animal may reproduce. ____________________________________________________________________________________ g. ____________________________________________________________________________________ The pelvis and spine tell you whether on organism walked upright or on all fours. Proceed to Slide 13. Click on the video of Dr. White to listen to his description of the discovery of Ardipithecus ramidus, or Ardi, and then answer the following questions. 9. Once the finger bones of Ardi were

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