Which two words are domain-specific words? In the 1860s, a fossil of an avian or flying dinosaur known as Archaeopteryx was found. Scientists identified it as a combination of bird and reptile. This discovery led to the theory that birds have evolved from carnivorous avian dinosaurs. Archaeopteryx lived in the southern region of Germany during the Late Jurassic period when Germany had a tropical climate.
The words they give you to choose from are: avian, Scientists, carnivorous, dinosaurs, and climate.