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Redi
In the 1600's, the Italian scientist Francisco Redi performed experiments that showed that flies did not spontaneously generate from raw meat.
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Redi
Francesco Redi
The purpose was so the flies won't get in the jar.
Flies are attracted to meat and will lay eggs on the meat, where they quickly hatch into maggots. But the flies are not indigenous to the meat.
balnchard
Redi used a jar, meat and gauze. The gauze kept the flies off the meat. Redi's hypothesis was that if you kept flies away from the meat, maggots would not appear, because the flies did not lay eggs on the meat.
no it doesnt
Boiling the meat broth killed any existing microorganisms.
Rotting meat doesn't create flies. Rotting meat attracts flies that lay their eggs on the meat. These eggs hatch and maggots emerge and proceed to feed off the rotten meat. After a period as a chrysalis, the maggots change and emerge as adult flies.