Author Question: Chordate pharyngeal slits appear to have functioned first as A) the digestive sy (Read 491 times)

federox

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Chordate pharyngeal slits appear to have functioned first as
A) the digestive system's opening.
B) suspension-feeding devices.
C) components of the jaw.
D) gill slits for respiration.
E) portions of the inner ear.



theo

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