your inner fish by neil shubin chapter 1: finding your inner fish
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Your Inner Fish by Neil Shubin Chapter 1: Finding Your Inner Fish. Presentation by Adena Feitelson. Really Old Rocks But which ones are the best at preserving bones?. Sedimentary, my dear Watson! (page 10) Limestone, sandstone, siltstone, and shales - PowerPoint PPT PresentationTRANSCRIPT
Your Inner Fish by Neil Shubin
Chapter 1: Finding Your Inner Fish
Presentation by Adena Feitelson
Really Old RocksBut which ones are the best at preserving bones?
Sedimentary, my dear Watson! (page 10)
Limestone, sandstone, siltstone, and shales
Formed more gently (usually by water) than metamorphic or volcanic rock
Picture from: http://www.cubscoutgeology.com/images/Rock%20Chart%20copy.jpg
Really Old RocksFinding the transition point
No necks 385
million years ago (page 10)
Already land creatures 365
million years ago (page 10)
Picture from: http://i.livescience.com/images/060405_fish_transition_02.jpg
Picture from: http://www.evolutionnews.org/tiktaalik2.jpg
Picture from: http://scienceblogs.com/pharyngula/upload/2006/04/tiktaalik_phylo.jpg
Half fish: fins and scales (KOSHER!)
Half tetrapod: flat head, neck (page 24) and wrist
Confirms major Paleontological Prediction!
Found on Ellesmere Island, July 2004
Tiktaalik“Large Freshwater Fish” (page 25)
Our Inner Fish
Why is it important?
How does it apply to everything the book explains?
Credits Shubin, Neil. Your Inner Fish: A Journey Into The 3.5-Billion-Year History of the
Human Body. New York: Vintage Books, 2009.