The most logical answer is D, because, we can infer that they belong to the same genus in taxonomy, but they are different species
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>
Very... Reproduction at both the molecular level to help maintain and repair itself through production of cells is important for self-preservation. Additionally reproduction allows survival of genetic material to offspring.
Prokaryotic has no nucleus "pro"= no
eukaryotic does have a nucleus