Invertebrate means no spine all humans have a spine, but you could say someone is spineless in another sense.
invertebrate - has exoskeleton
An invertebrate.
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 
Yes it is high. Wait, no it's not. You are pretty much 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.
invertebrate
An invertebrate predator is any invertebrate that preys on other animals. Spiders, for example, are invertebrate predators, as are praying mantids.