Question Detail
Question
Which of these is a major feature of chordates?
Correct Answer
Option C is the correct answer.
Detailed Explanation
All chordates, at some stage in their life cycle, possess a notochord (a flexible rod that provides skeletal support), a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
Hint
The notochord is a defining structure, present at least in embryonic development.