Final answer:
Culture is the way of life shared by a group of people, including their practices, values, and beliefs, and is ever-evolving. It encompasses everyday interactions to significant traditions, and subgroups within larger cultures may have distinct cultural expressions. So, the correct answer is option a.
Step-by-step explanation:
The definition of culture is a way of life shared by a group of people, which makes the correct answer to the student's question option a) A way of life shared by a group of people. Culture is a comprehensive term that includes the practices, values, and beliefs of a group.
It pertains to the everyday interactions, traditions, and the collective identity that distinguishes one group from another. Moreover, culture is not static but is continuously evolving with new knowledge and behaviors.
Cultural expressions can be seen in various aspects such as language, laws, customs, food, clothing, and music. Each of these serves as a signature to identify a particular group and what they stand for. It is important to understand that subgroups within a larger culture may also have distinct expressions of culture that are unique to their collective experience.