Refer to the figure.

-The figure is based on Kiesecker's field experiments testing the effects of parasites and pesticides on frogs. Which statement is the most valid interpretation of the results?
A) Exposure to parasites was necessary for the frogs to become deformed.
B) All frogs exposed to parasites were deformed.
C) Exposure to pesticides was necessary for frogs to become deformed.
D) Exposure to pesticides had no effect on the percentage of frogs that became deformed.

Question

Refer to the figure.
 
-The figure is based on Kiesecker's field experiments testing the effects of parasites and pesticides on frogs. Which statement is the most valid interpretation of the results?
A) Exposure to parasites was necessary for the frogs to become deformed. 
B) All frogs exposed to parasites were deformed. 
C) Exposure to pesticides was necessary for frogs to become deformed. 
D) Exposure to pesticides had no effect on the percentage of frogs that became deformed.

Quizplus · Accepted Answer

The experiments showed that frogs exposed to parasites had a higher likelihood of deformities, indicating that parasites were necessary for the deformities to occur.

Refer to the Figure