An invertebrate doesnt have a backbone. A vertebrate has a backbone.
They have no backbones. See related questions below for more detail.
no backbone
1.they have basically three body parts i.e: head , thorax and abdomen. 2.they have no lungs. they respire through their skin. 3.they live in colonies . ...
it depends. if you are asking how to use it in a sentence it could be used like this: slugs are a very common invertebrate.
It doesnt have a backbone