Refer to the graphs, 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 sd of the mean. compared with the control group, the frogs exposed to low concentrations of pesticides had about times as many parasite cysts.
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Refer to the graphs, based on studies of the effects of pesticides on the tadpole immune system. in...
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