Which animal has a backbone?\nOptions:\n- (A) camels\n- (B) snail\n- (C) bats\n- (D) cricket\n- (E) a fish\n- (F) bird\n- (G) koalas\n- (H) octopus OK. Let's think hard:
User
Birds are endothermic tetrapod vertebrates. Animals with backbones are called vertebrates. All birds have backbones.
So, the final answer is (F).
Assistant