Question

lisa wernecke deliberately inoculated a group of brown bats with a solution that included pd, the fungus that causes white - nose syndrome. she inoculated another group of brown bats with a solution containing no pd. the control group in this experiment was the bats that received the solution with pd. bats that were in the wild that did not receive either solution. the bats that received the solution without pd. both groups of inoculated bats.

Explanation:

In an experiment, the control group is the one not receiving the experimental treatment, serving as a baseline. Here, the experimental treatment is the Pd fungus. The group inoculated with solution without Pd is the control.

Answer:

C. the bats that received the solution without Pd.