Which characteristics do all bony and jawless fish have in common? Check all that apply.backboneswim bladderscalesgillsbony skeleton

Both bony fish and jawless fish are vertebrates, so they have backbones. Both groups also breathe using gills. Swim bladders and bony skeletons are not shared by jawless fish, and not all jawless fish have scales.

AI-written and checked against the verified answer.