Other folks have different 'possibilities'.
I think adaptation within species by something like Darwin’s mechanism is indisputable, and is easily demonstrated.
I think Darwinian evolution is theoretically POSSIBLE and I do not dissent from it on religious grounds.
But the crusade, especially by public school “educators” and others to banish dissent and to claim that evolution of one species or form
into another is “settled science” or an “established fact” is educational malpractice on a grand scale.
Other folks have different 'possibilities'.
the problem is there is no evidence of gradual anything. Its all “punctuated equilibrium”.
Life appears and then disappears. then come back in an explosion all at once. Over and over again.
Evolution is a hypothesis. not a theory.