Question: What crawls and is known to have a complex nervous system? \nOptions:\n- (A) fur seals\n- (B) Insects.\n- (C) mammals\n- (D) animals\n- (E) a fish\n- (F) humans\n- (G) bees\n- (H) ducks
Let's be accurate as possible and think step-by-step.
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Most invertebrates have a more complex nervous system. Insects are the most common invertebrates. Insects have a more complex nervous system.
The answer: (B).
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