Question

Which among the following is true ?

• A. Chordates have ventral hollow nerve cord
• B. All vertebrates have open circulatory system
• C. All chordates are vertebrates
• D. All vertebrates are chordates

Answer 1

Answer: (D)

• Chordates have dorsal hollow nerve cord.
• All vertebrates have closed circulatory system.
• All chordates are not vertebrates