Dr. Blehert took 117 healthy bats into his laboratory. He exposed 83 of them to the fungus suspected of causing white-nose syndrome (WNS) while the rest of the bats were not exposed to the fungus but were otherwise kept under the same environmental conditions. All of the bats were monitored for symptoms of WNS. The control group in Dr. Blehert’s experiment was
Choose one:
A. the group of 117 healthy bats brought into the laboratory.
B. There was no apparent control group included in this study; the study was simply monitoring the progress of the healthy bats.
C. the group of 34 bats not exposed to the fungus but kept under the same environmental conditions as the 83 bats exposed to the fungus.
D. the group of 83 bats exposed to the fungus and kept under the same environmental conditions as the 34 bats not exposed to the fungus.