Why are fossils of the animal Archaeopteryx used as evidence that birds and dinosaurs may be very closely related (meaning that birds and dinosaurs might share a more recent common ancestor than they would with other types of animals, such as mammals)?

A Archaeopteryx were not able to survive as well as birds, but better than dinosaurs.

B Archaeopteryx were older than dinosaurs but younger than birds.

C Archaeopteryx fossils were found near both bird and dinosaur fossils in rock layers.

D Archaeopteryx share characteristics of both birds and dinosaurs (like teeth and feathers), as seen in their fossils.

D Archaeopteryx share characteristics of both birds and dinosaurs (like teeth and feathers), as seen in their fossils. This suggests that they may represent a transitional form between the two groups, supporting the idea that birds and dinosaurs share a common ancestor.