Consider the question. What do snails and slugs lack?
Options:
- (A) eyes
- (B) a nervous system
- (C) kinetic energy
- (D) Chlorophyll
- (E) Energy.
- (F) life
- (G) a backbone
- (H) Energy
 If the answer is '(G)'; explain the reasoning:
user
Invertebrates are animals that lack a vertebral column, or backbone. Snails and slugs are invertebrates. Snails and slugs lack a backbone.
assistant