Vertebrates are distinguished from all other animals, including other chordates, by multiple synapomorphies, namely the vertebral column; skull of bone or cartilage, large brain divided into 3 or more sections, a muscular heart with multiple chambers; an inner ear with semicircular canals; sense organs including eyes, ears, and nose; and digestive organs including intestine, liver, pancreas, and stomach.
Vertebrates are distinguished from all other animals including other chordates by multiple synapomorphies namely the vertebral column; skull of bone or cartilage large brain divided into 3 or more sections a muscular heart with multiple chambers; an inner ear with semicircular canals; sense organs including eyes ears and nose; and digestive organs including intestine liver pancreas and stomach