 
<translate> Ajụjụ: Olee akụkụ ọkpụkpụ nke ihe ndị e kere eke nwere oghere n'ahụ́? Nhọrọ: - (A) akwara azụ - (B) ọkpụkpụ siri ike - (C) ikike ikuku - (D) ọkpụkpụ cartilage - (E) akụkụ ahụ́ ndị dị oké mkpa - (F) nkwonkwo - (G) ajị anụ na abụba - (H) graptolites Ka anyị chee echiche nzọụkwụ site nzọụkwụ n'okpuru. <eng> Q: Vertebrate chordates have what part of the skeletal system?
Options:
- (A) spinal column
- (B) hard bones
- (C) aerobic capacity
- (D) cartilage bones
- (E) critical organs
- (F) joints
- (G) fur and fat
- (H) graptolites
Let's think step by step below.
 