Which of the following experiments suggests that simplest living organisms could not have originated spontaneously from nonliving matter?

An Italian physician, Francesco Redi, boiled the flesh until no living organisms remained. Then he put the flesh in three jars, one of which was left uncovered, the second covered with parchment, and the third with fine muslin. He kept these jars for a few days and saw that maggots only formed in the jar that was left open, even though the flies visited the other jars. The conclusion of this experiment was that living organisms do not originate spontaneously from non-living matter.