All mammals have backbones (Spines). This is part of what makes them mammals.
No, a fish is not a mammal. Only a mammal has a backbone.
Yes a monotreme does have a backbone because it is a type of mammal and a mammal is a vertebrate.
An elephant is a mammal, and has a backbone, so is a vertebrate.
Yes, a manatee is a mammal and has a backbone.
Yes. A tiger is a mammal and has a backbone.
mammal
Yes it does. It is a mammal and all mammals have a backbone.
It's a whale, which is a mammal, which is a vertebrate, which are animals with a backbone.
No, the octopus is not a mammal.The octopus is in a class of molluscs called cephalopods.All mammals are vertebrates, meaning they have a backbone. Octopuses do not have a backbone, making them invertebrates.
Yes it is a mammal.
The narwhal is a whale, a mammal and has a backbone.
The hippopotamus is a mammal, has a backbone, and is a vertebrate.