What do all vertebrates have?
sensory neurons characteristics a complete digestive system Veins and arteries. sub-units of species wings and feathers gills gizzard
A B C D E F G H
All chordates are vertebrates.
Vertebrates have a complete digestive system and a closed circulatory system.
What do all vertebrates have? (A) sensory neurons (B) characteristics (C) a complete digestive system (D) Veins and arteries. (E) sub-units of species (F) wings and feathers (G) gills (H) gizzard