What are endothermic vertebrates with legs?
Birds mammals Snakes ducks Lizards ants long toads
A B C D E F G H
Legs define Tetrapods.
Birds are endothermic vertebrates with legs.
What are endothermic vertebrates with legs? (A) Birds (B) mammals (C) Snakes (D) ducks (E) Lizards (F) ants (G) long (H) toads