Answer
On the basis of graph given, 90% of ticks on mice were infected, while 95% of ticks on opossums were groomed off and killed.
Work Step by Step
It is evident from the data shown by the graph that the percentage of ticks on mice that were infected with B. burgdorferi is 90%. The percentage of ticks on opossums that were groomed off and killed is nearly 95% because only about 5% of larval ticks could feed on opossums and survive.
