6. While the researcher and TAs were outside, microbiologists
were inside of the science building performing experiments
using E. coli. Examine the graph below to answer the questions.
E. coli Population in Tens of Millions
87654321
1 2 3 4 5 6 7 8 9 10
Time (days)
a. Calculate the mean rate of growth from day 2 to day 4.
b. What is the carrying capacity?
c. How would this growth curve for E. coli be affected if it
were cultured with a competing bacteria?