In some chordates, pharyngeal slits develop into _____.
Choose one answer.
a. gills.
b. vertebrae.
c. blood vessels.
d. fins.
In some chordates, pharyngeal slits develop into vertebrae.
Expert answered|naughtytina|Points 5|
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Asked 5/11/2010 5:53:45 PM
Updated 1/10/2017 1:46:28 PM
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