What lacks a vertebral column, or backbone?
fungi parasites cacti Leptospirosis insects bushes Conifers anostrans
A B C D E F G H
Principal invertebrates are anostracans and ostracods.
Anostrans lack a vertebral column, or backbone.
What lacks a vertebral column, or backbone? (A) fungi (B) parasites (C) cacti (D) Leptospirosis (E) insects (F) bushes (G) Conifers (H) anostrans