An example of an invertebrate with a hard shell is a lobster. Lobsters are crustaceans that have a tough exoskeleton made of chitin, which helps protect their soft bodies.
invertebrate - has exoskeleton
An invertebrate.
It is an invertebrate 
no
A bullfrog is not an invertebrate; it has a spine.
The octopus is an invertebrate... It has no skeleton.
seriously? wow....... did you pass 4th grade? invertebrate
An invertebrate doesnt have a backbone. A vertebrate has a backbone.
Crabs are invertebrate!Say the yeti crab has no backbone or spine so it is an invertebrate! Not vertebrate.Yes, all crabs are invertebrates, having an external skeleton (exoskeleton).
invertebrate
An invertebrate.