No
well they have a backbone and no exoskeleton
No, cockroaches, like all insects, are invertebrates and have an exoskeleton.
They don't have a backbone. They have an exoskeleton.
No, it has an exoskeleton.
A tiger shark has a backbone
No. A good example is humans; Humans certainly do have a backbone, but no exoskeleton (well, I don't, anyway).
They have an exoskeleton, which is their "backbone"
Invertebraes: jellyfish,sponges,squid
No bones at all, backbone or otherwise. They have an exoskeleton (shell)
Insects do not have a backbone, they have an exoskeleton. Most insects have wings. Therefore insects have no backbone, but they do have wings.
They are beetles and have an exoskeleton.
No. They are invertebrates (no-backbone creatures) and they have an exoskeleton, which is an outer shell that is rigid enough to hold all the inner parts in their proper places. They have no bones.