In some chordates, the notochord is modified as the vertebral column and such animals are called vertebrates. Which of the following make sense?
. All chordates are vertebrates but all vertebrates are not chordates
All vertebrates are chordates and all chordates are vertebrates
. All vertebrates are chordates but all chordates are not vertebrates
Chordates are not vertebrates and vertebrates are not chordates
All vertebrates have had notochord during their embryonic development. But all chordates do not possess the vertebral column.Hence, the correct option is (c).