Use reasoning to answer the following question. An animal which may have one or two hearts to pump blood is:\nOptions:\n- (A) squid\n- (B) goats\n- (C) bats\n- (D) mammals\n- (E) toads\n- (F) Birds\n- (G) edible\n- (H) a fish
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Mollusks have a circulatory system with one or two hearts that pump blood. Interestingly, a squid is also a mollusk. Squid have a circulatory system with one or two hearts that pump blood.
So, the answer is (A).
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