Consider these two hypotheses:

H₁: Life evolved by the process of natural selection.

H₂: A super-intelligent designer separately created each species and made each of them perfectly adapted to its environments.

All available observations from science favor H₁ over H₂. 

However, as we have already noted, creationism comes in many different varieties. Consider, for example, the following "hypothesis" ...

H₃: God created each species separately, but endowed them with the very characteristics they would have had if they had evolved by natural selection.

   Now, the very same observations that strongly support H₁ over H₂, don’t support H₁ over H₃. Why? 

   Because H₁ and H₃ are predictively equivalent. If H₁ predicts that life will have a particular feature, so does H₃. 

   Although arbitrary similarities and imperfect adaptations disconfirm H₂, they are completely consistent with H₃.

At this point, we need to evaluate H₃ using other criteria of adequacy for hypotheses. >>> Critical Thinking Principles