No, worms are invertebrates, meaning they have no backbones, while arachnids are the spiders, mites and scorpions.
Squid, octopus, worms, snails, caterpillars, crab, starfish, jellyfish, spiders, sponges, lice, ants, mites, and flies have no backbones.
No there is more with backbones
it has 2 backbones
No backbones
Pigs do have backbones.
All snakes have backbones.
The backbones are part of the skeleton.
all fishes have backbones
no they don't have backbones
No cicadas do not have backbones, they are invertebrates. Any Animal and insects that is an invertebrates do not have backbones.
no myriapods don't have backbones