Invertebrates are animals that lack a vertebral column, or backbone.
Many invertebrates have an exoskeleton.
Many animals that lack a vertebral column, or backbone have an exoskeleton.
Many animals that lack a vertebral column, or backbone have a what

1) spine
2) exoskeleton
3) parasites
4) Leptospirosis
5) epidermal
6) Damaged hearing
7) skeleton
8) hip bone