They are Vertebrates, therefore, they have a backbone.
invertebrates dose not have back bones. But vertebrates do.
No, they are invertebrates (Echinoderms). Echinoderms have no backbones, like the Brittle Star and Sea Urchin.
No parrot fish have a backbone and are a verterbrate. Invertabrates have no back bone or bones at all. That is how they are different from verterbrates.
They are verterbrates because they have backbones.
yes
the verterbrates
Yes they are - they have an internal skeleton.
They all have back bones.
This question is a matter of opinion. Some people like English budgies better than regular budgies or other people like regular budgies better than English budgies.
Yes humans have verterbrates it's in your spine.
Class Pisces.... The fishes...
Yes, budgies are parakeets.