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.
Yes humans have verterbrates it's in your spine.
Class Pisces.... The fishes...
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, budgies are parakeets.