nursing AIIMS BSc Nursing 2025 Mock Test Series Biology Diversity in The Living World Animal Kingdom
"All vertebrates are chordates, but not all chordates are vertebrates." Which of the following explains this statement?
1
All chordates lack a vertebral column.
2
Vertebrates possess a vertebral column, while some chordates retain only the notochord.
3
Chordates lack paired appendages, while vertebrates have them.
4
Vertebrates lack a dorsal hollow nerve cord, while other chordates possess it.