The magnification power level of the microscope
"C. Organisms' characteristics are carried
<span> on DNA.</span>" would be the best fit, although this still isn't really the core idea behind natural selection, which is that animals survive based on how "fit" they are for their environment.
Answer:
the answer is A (or #1) because it is still testable but only because we haven't discovered everything yet
I believe the correct answer is B
