Which one of the following behaviors is a defining attribute for the concept "bird"?
A)Building nests
B)Eating insects
C)Growing feathers
D)Vocalizing its territorial boundaries

Question

Quizplus · Accepted Answer

Growing feathers is a defining attribute for the concept "bird". Other animals can build nests, eat insects, and vocalize their territorial boundaries, but only birds have feathers. Feathers are a unique characteristic that distinguishes birds from other animals.

Which One of the Following Behaviors Is a Defining Attribute