An internal skeleton that houses the brain and spinal cord. It means they have a back bone.
The strong evidence for the common ancestry of all vertebrates is THE SIMILARITY OF THEIR EMBRYOLOGICAL STAGES.
All vertebrates have a vertebral column (i.e a backbone). This is the main feature.
They are all vertebrates
They are all vertebrates.
all invertebrates are smaller than vertebrates. :)
all invertebrates are smaller than vertebrates. :)
they all have a back bone
Cordata is a taxonomic group that includes all organisms with a dorsal nerve cord, such as vertebrates. This group also includes organisms with other defining features like a notochord and pharyngeal slits.
Dinosaurs had all the same organs as modern vertebrates and brds evolved from dinosaurs.
Leopards are vertebrates
All of the described animals are vertebrates.
jawless fish