Which of the following is not a characteristic of culture?

The correct answer is a. Culture stays the same from generation to generation.

Explanation: Culture is dynamic and constantly evolving. While some traditions and values may be passed down, culture often changes due to various influences such as technology, interactions with other cultures, and societal shifts. The other options (b, c, and d) correctly describe aspects of culture: it is learned from others, shared among groups, and inherently social in nature.