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 treatment group in Dr. Blehert’s experiment was
Choose one:
A. There was no treatment group included in this experiment; the experiment was simply monitoring the progress of the healthy bats.
B. the original 117 healthy bats brought into the laboratory.
C. the 34 bats that were not exposed to the fungus but were kept under the same environmental conditions as the exposed bats.
D. the 83 bats exposed to the fungus and kept under the same environmental conditions as the unexposed bats.