Because it has a spine.
Vertebrate.
The Arctic fox has been classified as a fox because, indeed, it is a species of fox. They are closely related to other foxes in the Genus vulpes, and they share nearly the same DNA as other species of foxes.
A fox is already a vertebrate as it has a spine.
A fox is a vertebrate in the mammal classification.
The gray fox is a vertebrate.
The red fox is a vertebrate as are all mammals.
vertebrate
vertebrate
A fox is a vertebrate. Any animal with bones is a vertebrate, i.e., the fox. An invertabrate, for example, would be the starfish.
bears eat the Arctic fox and arctic fox eats mouse
An Arctic fox is a carnivore.
Both the red fox and the Arctic fox live in the Arctic.