yes fish have a backbone
All fish have a backbone and a skull.
a fish with a backbone
No it is a vertebrate. Fish have a backbone. Invertebrates do not have a backbone.
The backbone of the fish help it swim. It makes it wiggle and swish it's tale propelling it through the water. With no backbone it wouldn't be able to swim.
Yes they do. All fish have a backbone.
No, a fish is not a mammal. Only a mammal has a backbone.
yea they do
no
Yes, most fish have backbones
All fish have backbones.
No. Unless they are Dolphins or whales they don't have a backbone.