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
Let's be accurate as possible and think first.
(F)
Birds are endothermic tetrapod vertebrates.

Animals with backbones are called vertebrates.

All birds have backbones.

.

The answer: (F)