Question

Dr. Harris believes that the fur thickness of a specific rabbit is directly related to the outside temperature of the rabbit habitat dr.harries performs an experiment to test whether temperature affects fur thickness in this species of rabbit in the experiment discussed above dr.harries wonders if it is temperature or sunlight that causes the fur thickness of the species of rabbit to change which part of the scientific method does this illustrate

Answer 1

The result of the experiment may reinforce or weaken either hypothesis.

Answer 2

The part of the scientific method referred to when the Dr. thinks of another possible option is the "Refine, alter, expand, or reject hypothesis". By thinking whether that was the right path he was taking, the Dr. is rethinking his hypothesis and coming up with other possibilities to take into consideration.