Given the question: Fact 1: Birds are endothermic tetrapod vertebrates. Fact 2: Bird A bird is an animal with feathers. Given the two facts above, answer the question "What is an endothermic tetrapod vertebrates?" with the following options: - warm-blooded - passenger pigeons - remains of prehistoric life - Humans - An animal with feathers. - All animals with vertebrae. - Dogs. - They have thick fur
The answer is:
An animal with feathers.