annelid- earthworm
No they are vertebrates because they have backbones. Invertebrates don't have a backbone. Invertebrates are bugs incests, arthropods. mollusks, annelid coelenterates etc.
No. An annelid is a worm - completely soft all the way through.
No there is more with backbones
leech is an Annelid worm used for treatment of illness.
The centipede is not an annelid. This insect is classified as a arthropod and belongs to the Chilopoda family.
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.
No
leech