After reading the paragraph below, answer the questions that follow.
In examining the effects of atrazine, one of the most commonly used herbicides in the world, scientists studied the mating behavior of male frogs exposed to atrazine (Atr) compared to a group that was not exposed (Non). The results are shown in the figure.

-Part B indicates that
A)atrazine is an endocrine disrupter.
B)trazine-treated males are more successful in mating than nontreated males.
C)there were fewer atrazine-treated males than nontreated males.
D)atrazine males are unable to mate.

Question

After reading the paragraph below, answer the questions that follow.
In examining the effects of atrazine, one of the most commonly used herbicides in the world, scientists studied the mating behavior of male frogs exposed to atrazine (Atr) compared to a group that was not exposed (Non). The results are shown in the figure.
 
-Part B indicates that
A)atrazine is an endocrine disrupter. 
B)trazine-treated males are more successful in mating than nontreated males. 
C)there were fewer atrazine-treated males than nontreated males. 
D)atrazine males are unable to mate.

Quizplus · Accepted Answer

The paragraph states that scientists studied the effects of atrazine on the mating behavior of male frogs and the figure shows that atrazine-exposed males had decreased testosterone levels and reduced calling behavior, which are both indications of endocrine disruption. None of the other options are supported by the information given.

After Reading the Paragraph Below, Answer the Questions That Follow