All chorcldates at hone or the other stage possess

Options

A. Vertebral column
B. Pharyngeal gills-slits
C. Two pairs of pentadactyle limb
D. A movable jaw

Answer

B

Explanation

Pharyngeal slits are filter-feeding organs, openings in the pharynx that develop into gill arches in bony fish and into the jaw and inner ear in terrestrial animals