a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
The answer of the absolute refractory period is 3.5
evolution is fundamentally unpredictable.the theory of evolution as it is used here refers to "macroevolution'a theory is meant to both explain and predict;the theory of evolution only explains .the theory of evolution is not a theory and it is suggested calling it a working hypothesis:the working hypothesis of evolution
