Fact 1: Birds are endothermic tetrapod vertebrates.

Fact 2: All crows are birds.

Given the two facts above, answer the question "what are endothermic tetrapod vertebrates?" with the following options: 
- invertebrates
 - mammals
 - bats
 - crows
 - animals
 - worms
 - toads
 - monkeys


 

    crows     