Question to you: These belong to the class of creature that were the first true tetrapods:\nOptions:\n- (A) millipede\n- (B) crabs\n- (C) four limbs\n- (D) bullfrogs\n- (E) gastropod\n- (F) a fish\n- (G) warm-blooded\n- (H) insects.
Let's reason step-by-step:
User
Amphibians are the first true tetrapods, or vertebrates with four limbs. Bullfrogs eat other amphibians. Bullfrogs are of the class of creatures that were the first true tetrapods. Final answer: (D).
Assistant