Based on our modern understanding of physiology, DNA sequences, and the fossil record, which animal are most closely related to crocodiles?

Question

Quizplus · Accepted Answer

Modern studies in genetics and embryology have shown that birds are the closest living relatives to crocodiles. They share many similarities in their skeletal structure, reproductive system, and development. In addition, both birds and crocodiles have a unique type of lung that allows them to breathe more efficiently than other reptiles. Fossil evidence also suggests that birds and crocodiles shared a common ancestor several hundred million years ago. Therefore, the correct answer is A) birds.

Based on Our Modern Understanding of Physiology, DNA Sequences, and the Fossil