Multiple Choice
Refer to the figure.
- The figure is based on studies of the effects of pesticides on the tadpole immune system. In a laboratory experiment, wood frog (Rana sylvatica) tadpoles were exposed to low or high concentrations of a pesticide, and then Ribeiroia parasites. The tadpoles were then examined for (A) numbers of eosinophils and (B) numbers of Ribeiroia cysts. Error bars show one SE of the mean. Compared with the control group, the frogs exposed to low concentrations of pesticides showed an increase _______ percent in the number of eosinophils.
A) 18
B) 32
C) 55
D) 78
Correct Answer:

Verified
Correct Answer:
Verified
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