The process by which <em>two species evolve</em> as a <em>response</em> to <em>changes in one another over time</em> is called, "coevolution" thus the correct answer is that it is an example of <u><em>COEVOLUTION</em></u>
Answer: They would die off.
Explanation:
simple .too many people would have to much of the resource used and then there would be no more resourses to use and the population would die off