Fill in the Blanks Pasteur's contributions to the germ theoryOnline version Complete the fill in the blanks activity on Pasteur. by Belinda Schirmer 1 maggots microbes diseased caused In the mid 1800s , it was difficult to convince people that the microbes found in humans and animals were actually causing their disease . Even though Redi's experiment showed could not spontaneously generate , many people still believed that could . From their point of view , it was quite possible that disease microbes to appear . 2 prize generation Science spontaneous In the mid 1800s , the Paris Academy of offered a prize to anyone who could provide evidence to settle the debate surrounding spontaneous . Pasteur won this with a set of experiments that provided evidence against generation . 3 Pasteur microbes appear growing cotton contamination Pasteur showed that air carried by filtering air through a gun - cotton filter . Microscopic examination of the gun - following this revealed the gun - cotton contained many microbes . then conducted experiments to show that the microbes that seemed to on food and water were from airborne microbes that had caused .
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