Final answer:
Co-cultures are groups within a broader mainstream culture that share unique beliefs and practices, such as Southerners, college students, and artists, and although they have distinct identities, they still relate to the larger society.
Step-by-step explanation:
The best description of a co-culture is option B) Examples of co-cultures in the U.S. include Southerners, college students, engineers, the Amish, Denver Broncos fans, Mormons, artists, Marines, and pet owners. A co-culture is a group that has its own culture within the broader, mainstream culture. These co-cultures often share unique beliefs, ways of thinking, and customs, yet members still identify with the larger society. This definition aligns with the understanding that within a larger society, there are many subcultures and co-cultures, each with their own distinctive behaviors, practices, and traditions.