lazzaro spallanzani experiment spontaneous generation
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
lazzaro spallanzani experiment spontaneous generation |
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| navigate by keyword : accracted any bacteria biology bottle broth clear containers covered expected experiment fire flask flasks flies fly francesco fresh gauze generation gravy hatched heated high hypohesis illustration john laboratory lazzaro life maggot maggots meat microorganisms needham open pasteur placed redi redis remained rotting sealed signs soon spallanzani spallanzanis spontaneous swarming test was which |
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| Heated but sealed flasks remained clear, without any signs of spontaneous growth, unless the flasks were subsequently opened to the air. This suggested that microbes were introduced into these flasks from the air |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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