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 carefully first, then make a decision. My thoughts:
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Invertebrates are animals that lack a vertebral column, or backbone. Snails and slugs are invertebrates. Snails and slugs lack a backbone. So the answer is (G).
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