A Slug is an invertebrate animal because it does not have an internal skeleton with a spine or backbone.
If the sea slug does not have a backbone, Which i guess it doesn't, It means its invertebrate so my guess is invertebrate
invertebrate
Vertebrate!Verterbrate
it is a vertabrae
Vertibrates, they have a spine
is a king an a vertebrate or a invertebrate
A worm is an invertebrate as it doesn't have a spine.
no its invertebrate because it has no skelenton its body is muscle and shell is protein like human nail is made out of. I hope this helped :)
An invertebrate.
vertebrate.
The giant tortoise is a vertebrate, not an invertebrate.
No bones. Invertebrate. To be a vertebrate, you need a backbone.