Yes, all mammals are vertibrates.
Yes, elephants have backbones, so are vertibrates.
no
yes, it is a mamal and all mamals are vertibrates and all vertibrates have backbones
Backbones
vertibrates
Of course they are!
yes
About a foot long.
Yes they are vertabrates. They are fish and fish are vertibrates. Fish, Reptiles, Amphibians, Mammals, and birds are all vertibrates.
they are vertibrates
Yes.