A group of researchers conducted an experiment and collected the data presented in the graph below. Was one of the treatments more lethal than the others?

Question

Choose one:
A. No, all bats in all three treatment groups died at about the same time during the study.
B. Yes, the group of bats injected with the North American fungus died off before any of the bats in the other two treatment groups.
C. No, all bats in all three treatment groups survived for the duration of the study.
D. Yes, the group of bats injected with the European fungus died off before any of the bats in the other two treatment groups.

Answer 1

B. Yes, the group of bats injected with the North American fungus died off before any of the bats in the other two treatment groups.