Invertebrates are animals that lack a vertebral column, or backbone.
All of the vertebral bodies act as a support column to hold up the spine.
Invertebrates are animals that lack a support column.
Invertebrates are animals that lack a what?
Options:
A: Chlorophyll
B: Epidermis
C: pair of legs
D: small bones
E: cartilage
F: an organism's body
G: support column
H: epidermal