Comparing sequences between genes and between species allows evaluation of the rates of change. which of the following have been observed: select one or more: (a) introns have a higher mutation rate than exons.(b) non-synonymous mutations are found at a higher rate than synonymous mutations.
the experiment part is when you actually test your hypothesis in a real for example if your hypothesis is that coke will shoot 10 ft into the air after you drop a mentos in it, then your experiment would involve actually dropping the mentos into the soda to see how high it goes.
d sounds more logical.