• anonymous
n the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria. In the 1890s, Dmitri Ivanovski filtered extracts from diseased tobacco plants and discovered that the disease could be transmitted to new plants through the filtrate. He concluded that the disease was caused by particles smaller than bacteria: the tobacco mosaic virus
  • chestercat
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  • cutiecomittee123
what is your question?
  • anonymous
Which best explains how Ivanovski’s work led to a change in the germ theory

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