Which of the following statements is true? All mutations cause evolution. Any change to the DNA of an organism is called evolution. All mutations are harmful. Evolution happens slowly over time.

Well, the first one is incorrect because mutations are not one of the many things that causes evolution, as evolution is change over time. The second statement is wrong d ue to the fact that evolution is change over time, evolution does not happen overtime. Not all mutations are harmful, some can be beneficial and others can be neutral. The fourth statement is the correct answer, as I have said before evolution is change over a long period of time.