I would suggest that you try to fit your rankings into the following distribution. 2 statements This distribution is arbitrary, you do not have to follow it. However, it allows you to make clear distinctions between your views of different statements. If you wish to rank your statements according to the distribution, I have found two ways to make the process easier. See my note at the bottom of the page.
Biology is explained by chemistry and chemistry is explained by physics.
Puzzles and investigations are not proper mathematics. Mathematics is always changing and growing. Biology and mathematics need different methods. The procedures and methods in maths guarantee right answers. Mathematics has a lot to learn from biology.