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.
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).