Your answer is in the question. Crayfish are invertabrates.
Yes because it has no spine.
yes a millipede is an invertabrate. :)
Yes, a fly is an invertabrate; it has no backbone.
yes it is an invertabrate but it has an exto-sceloton
Invertabrate.
No
no
yes
Yes
No it is an Invertabrate
yes
invertabrate