Explanation:
it's means man is moving from a primitive stage to a learned stage, man can do things in a smart way, man can be able to think and create solutions for himself, solutions on how to react to things, what to do, how to solve its economical, sociological, scientific, and natural problems. man is changing in a positive way and a task solver.
I think it is the answer, because when it says it is talking about it as a noun or a subject.
The element of heritage that is preserved by this excerpt is the details that uses to express the specific type of food and the ways that is being cooked and prepared. Each culture has it´s own traditions that are preserved fro one generation to another and in this case are the culinary traditions.