An important characteristic that Hemichordates share with Chordates is:
- AAbsence of notochord
- BVentral tubular nerve cord
- CPharynx with gill slits
- DPharynx without gill slits
Solution & Step-by-step Explanation
Hemichordates were previously classified under Chordates because they possess pharyngeal gill slits, which is a fundamental chordate characteristic. They lack a true notochord (they have a stomochord instead).