It can never be observed once much less twice or three times.That is another hypothetical construct as is Darwinian Evolution.
.... It can never be observed once much less twice or three times.....
Please tell us where and how many times and under what circumstances you have ever looked.
How many hours have you logged in a lab or in the field. Where? When? Doing what? What were you studying?
As someone pointed out above, this is where Darwin’s theory becomes a faith. Indeed, the high priests of the Temple of Darwin are quite open about it if you ask them the right question:
“What do you believe is true even though you cannot prove it?”
Richard Dawkins: “I believe that all life, all intelligence, all creativity and all ‘design’ anywhere in the universe, is the direct or indirect product of Darwinian natural selection.”
http://www.iscid.org/papers/Williams_GodDelusionReview_02012007.pdf