Crocodiles and birds are more closely related to each other than crocodiles and iguanas.
Crocodiles and iguanas do not have a common ancestor.
<h3>What is Ancestor?</h3>
This is referred to someone or an organism from which others have evolved due to different factors.
Crocodiles being closer to birds on the evolutionary "tree of life" means they have are closely related and have common ancestors due to shared characteristics.
