An internal skeleton that houses the brain and spinal cord. It means they have a back bone.
a backbone, an internal skelaton, are animals, a heart, and lungs
Physically, a backbone. But there are other characteristics they share, too.
All vertebrates have an internal skeleton (whilst invertebrates have an exoskeleton).
Vertebral column or 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
Leopards are vertebrates
Dinosaurs had all the same organs as modern vertebrates and brds evolved from dinosaurs.
Simple! All are vertebrates!
All of the described animals are vertebrates.
jawless fish