Answer:
1. As far as reptiles go, crocodiles are closely related to dinosaurs. But they're incredibly complex biological organisms that survived the meteor impact that ended the Cretaceous period roughly 66 million years ago — and did in their dinosaur relatives.
2. Birds descended from a group of two-legged dinosaurs known as theropods, the members of which include the powerful predator Tyrannosaurus rex and the smaller Velociraptors
3. Chickens Are Closer To Dinosaurs Than Alligators The analysis of DNA was done to the fossil of dinosaur also known as T-Rex which was found in 2003.
Explanation:
really hope this helps
