Within the chordate classes, the unique characteristic of the class Aves is:

Question

Quizplus · Accepted Answer

Feathers are the unique characteristic of the class Aves (birds). While other characteristics like flight, production of uric acid, and endothermy are found in some members of the class Aves, they are not exclusive to them and can be found in other animal classes as well. Feathers, however, are unique to birds and are not found in any other class of animals, making them a distinctive feature of this class.

Within the Chordate Classes, the Unique Characteristic of the Class