Yes, they have no notochords or spines.
Yes They Are,Well Some Of Them Like Mollusc's ,Echinoderms etc
Invertabrates are not divided; if they were, they'd die.
Well what makes them invertabrates is that they don't have back bones or spine.
there is no difference because they are the same thing. ( look at you spelling)
no
No
No
no
Yes
YES!
no (they do not have bones)
Yes