EXST7015 Daily Design 5 Carefully read the description of the experiment below. Be prepared to answer the questions that follow the design description as a class quiz. Fruit flies are major fruit pests with the potential for causing considerable commercial damage. It is important to determine what factors cause the movement of flies among orchards and what attracts them to particular areas. The attractiveness of fermentation products produced by various types of bacteria was examined in this study. This was done in 3 steps, but we will concern ourselves only with the first step; the examination of the attractiveness of fermentation products from each bacterium. Filtrates were prepared from each of 11 bacterial species and 3 culture medium controls resulting in 14 combinations of bacteria and medium. Five fermentation batches were done in random order for each of the 14 filtrates. In the first step, filtrates of 11 species of bacteria from 4 genera were studied. Based on preliminary evaluations
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