Q: Reptiles and birds are the only known living descendants of what?


Read this paragraph and choose the correct option from the provided answers:

Crocodilia, containing both alligators and crocodiles, is an order of large reptiles. Reptiles belonging to Crocodilia are the closest living relatives of birds. Reptiles and birds are the only known living descendants of the dinosaurs. Some would day that alligators and crocodiles actually look like small dinosaurs. Dinosaurs that evolved wings are the ancestors of birds.

 Choices:

- mammals

- fossils

- dragons

- dinosaurs


A:
dinosaurs