Question

Archaeopteryx is considered to be a transitional form between dinosaurs and birds which if the following is a trait that is unique to both Archaeopteryx and modern birds
wings
teeth
claws
feathers

Answer 1

The trait that is unique to both Archaeopteryx and modern birds is **feathers**. While Archaeopteryx had other traits like wings and claws, feathers are a distinguishing feature that links it to modern birds. Teeth, on the other hand, are not found in modern birds but were present in Archaeopteryx.