Crayfish are crustacean which has a hard shell so htey are invertibrates. (No Back Bone or Spine.)
No, because they do not have backbones.
Invertebrate.
yes
It is an animal that does not have a vertebral column i.e. worms
Verterbrate
the difference between verterbrate and inverterbrate is simple verterbrate = spine in= no witch means that verterbrate is something or someone with a spine and inverterbrate is something with out a spine
Verterbrate! They have a backbone!
no
no
No
Yes the are.
verterbrate
Yes.
Yes, they are.
no It is an invertebrate.