Vertebrates
No, they have a backbone. Vertebrates are ALL animals that have backbones. Invertebrates are ALL animals that do not have backbones.
all animals
All fish have backbones, all animals with backbones are vertebrates.
Yes, all birds are vertebrate animals, thus they have backbones.
That all animals with backbones came from a common ancestor.
vertebrates
Invertebrates are animals without backbones, such as worms, shellfish, and in almost all vertebrates, bone gives the skeleton its strength.
No! Fish, reptiles, birds, and amphibians all have backbones, but are not mammals.
Pelicans are vertabrates because they have backbones. All animals that have backbones are vertabrates.
In the same what exactly?
All animals with a backbones are vertebrates.
Most animals can move on their own, find their own food, and all animals give birth to young. About 97% of all animals don't have backbones while about 3% have backbones.