Most likely they are living things.
Pelicans are birds and, like all birds, they are vertebrates. Pelicans have a backbone and an internal skeleton.
invertebrates
vertebrates and invertebrates different?
Wallaroos are mammals so, like all mammals, they are vertebrates.
They are vertebrates.
grouping things, like vertebrates from invertebrates
Vertebrates have spinal chord and invertebrates don't.
Vertebrates have spines & invertebrates do not have spines.
Vertebrates.
Invertebrates.
invertebrates
The chordata contains both vertebrates and invertebrates.