What Is the Likely Phylogenetic Explanation for the Crossing of Food

question 6

Multiple Choice

What is the likely phylogenetic explanation for the crossing of food and air pathways in humans?

• A)A connection between the two previously separated pathways evolved to allow for an alternative air intake in case of a "stuffy nose."
• B)Lungs evolved from pouches in the digestive system.
• C)Access to odor receptors in the nose allowed for assessing food quality before swallowing.
• D)A connection between both pathways allowed for a more efficient swallowing mechanism.

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