Yes.
The mouse is a mammal
A Beaver is a vertebrate and a mammal.
Yes, a mouse is a mammal. More specifically, a rodent.
An elephant is a mammal, and has a backbone, so is a vertebrate.
Vertebrae are pieces of a spinal column. I believe what you are asking is whether or not mice are vertebrates. Yes, they are. Any animal that has a skeletal structure is a vertebrate. Creatures without a skeletal structure are called invertebrates.
Vertebrate
A narwhal is a mammal and a vertebrate.
It is a mammal and is a vertebrate
A narwhal is a mammal and a vertebrate.
Yes it is a vertebrate, it is a mammal.
This is a mammal and a vertebrate.
A fox is a vertebrate in the mammal classification.