What defines acculturation in the context of cultural adaptation?

Acculturation refers to the process where individuals from one culture adopt customs and practices of another culture while still maintaining their original cultural identity. This definition is captured in the correct choice, which emphasizes the idea of integration into a new culture while retaining one's own identity.

In the context of cultural adaptation, acculturation allows individuals to navigate and participate in a new cultural landscape, fostering a sense of belonging and community without losing the essence of their original cultural heritage. This dynamic is crucial as it helps individuals to blend aspects of both cultures, enriching their experiences and interactions.

The other choices reflect different concepts that do not align with the process of acculturation. Complete abandonment of one’s culture suggests a total loss of cultural identity, which is contrary to the essence of acculturation. Rejection of all cultural norms implies a complete disengagement from both cultures, which does not facilitate cultural adaptation. Forming a new identity without any ties to the past indicates a break from all previous cultural influences, which contradicts the very nature of maintaining one's cultural roots while adapting to new influences. Hence, the correct understanding of acculturation lies in the ability to integrate aspects of a new culture while still honoring one's original cultural identity.