Why yes you can, if you try hard enough. Hypothysize, collect evidence and shoot for the theory.
" I'm talking about organic ooze becoming living organic ooze. Ooze that begins to devour the unsuccessful leftovers in the organic soup as it reproduces itself."
You financing?
"If such an idea (central to naturalism) can only be inferred but not tested then it is a mere belief."
Theories are not beliefs. They are not faith, nor are they religion.