What do snails and slugs lack?\nOptions:\n- (A) eyes\n- (B) a nervous system\n- (C) kinetic energy\n- (D) Chlorophyll\n- (E) Energy.\n- (F) life\n- (G) a backbone\n- (H) Energy
Think hard. Detailed solution:
(G)
Invertebrates are animals that lack a vertebral column, or backbone.

Snails and slugs are invertebrates.

Snails and slugs lack a backbone.

.

The answer: (G)