SCI 115 SCI115 Chapter 8 Quiz Solutions (St. Leo)
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Saint Leo SCI 115 Chapter 8 Quiz Answers
Q. Describe how our sense of smell works.
Q. Compare the evolutionary changes in nasal passages from jawless fish to humans.
Q. What kind of smell genes do lampreys and hagfish (primitive jawless fish) have? What does this imply?
Q. We humans (and other mammals) have over a thousand smell genes – where did they come from? How did we get them?
Q. Why are so many human odor genes entirely useless?
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