Percentage of Human Samples Where Found Phylotypes 2,188 1-10 97 11-20 31 21-30 12 31-40 17 41-50 11 51-60 61-70 2 71-80 Rectangular 2 81-90 4 91-100 4.
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The table here is based on the published results of the study discussed in the chapter. It shows the number of bacterial phylotypes (kinds of bacteria) that were found on a particular percentage of people. a. How many bacterial phylotypes were found on only 10 percent or fewer of the people sampled? How many were found on more than 90 percent of people? b. How many phylotypes were found on more than half of the people sampled? c. Describe in one or two sentences the frequency of phylotypes found in the study. Were most phylotypes rare or common?
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