an invertabret is an animal without a backbone
mollusc
no...it has a shell.it is an invertabret.
· Zebra Butterfly
The correct spelling is "invertebrate" (animal with no backbone).
No, a sea horse is not an invertebrate. They belong to the phylum chordata (meaning they have a spinal chord.)
An invertebrate is a living organism without a backbone. A vertebrate is a living organism with one. Our (human's) backbones are called the spine. Tortoises have a backbone, so they are vertebrates.