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Your Inner Fish: Making Scents

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Presentation on theme: "Your Inner Fish: Making Scents"— Presentation transcript:

1 Your Inner Fish: Making Scents
Yaakov Malomet

2 Perception of Smell Picture taken from: Neil Shubin’s Your Inner Fish, page 142

3 Perception of Smell Brain’s single response to many signals sent by nerve cells interacting with molecules floating in the air Can sense 5-10,000 different odors Picture:

4 Jawless Fish vs. Mammals: Odor Genes
Mammals = highly specialized animals, use sense of smell more Jawless Fish = Primitive, underwater Picture: https://www.cdli.ca/courses/biol2201/unit02_org02_ilo05/b_activity.html

5 Citations: Shubin, Neil. "Making Scents." Your Inner Fish: A Journey Into The 3.5-Billion-Year History Of The Human Body. New York: Pantheon, Print. Shubin, Neil. "Your Inner Fish: Teaching Tools." Tiktaalik Roseae: Home. University of Chicago, Web. 06 Sept <http://tiktaalik.uchicago.edu/book-tools.html>.


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