Q: You are presented with the quiz "what is a change in the characteristics of living things over time?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evolution is a change in the characteristics of living things over time" and "evolution is the process of adaptation". So, what's the best answer to the question?

pick from the following. [i] biological diversity. [ii] the process of plants. [iii] the process of darwin. [iv] the process of mutants. [v] The number of individuals. [vi] movement of tectonic plates. [vii] movements in the earth's crust. [viii] the process of adaptation.
A:
[viii]