An inverterbrate has no backbone. Like a jellyfish is quite a good example. And a vertebrate has a backbone like us!!
Cephalopoda
invertebrate - has exoskeleton
An invertebrate.
I am assuming you mean horseshoe crab, in which case they are invertebrates.
Sorry we do not know what you mean by "vertabrats" but a duck is a vertebrate.
seriously? wow....... did you pass 4th grade? invertebrate
A bullfrog is not an invertebrate; it has a spine.
The octopus is an invertebrate... It has no skeleton.
no
It is an invertebrate 
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).
An invertebrate doesnt have a backbone. A vertebrate has a backbone.