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Title: In a model experiment, researchers subjected frogs to various levels of atrazine Post by: arealhero on Nov 21, 2014 In a model experiment, researchers subjected frogs to various levels of atrazine while keeping all other variables constant. This is an example of a _______ experiment.
a. controlled b. repeated c. laboratory d. comparative e. None of the above Title: Re: In a model experiment, researchers subjected frogs to various levels of atrazine Post by: milestone23 on Nov 27, 2014 Content hidden
Title: Re: In a model experiment, researchers subjected frogs to various levels of atrazine Post by: arealhero on Nov 27, 2014 This is perfect, thank you for the answer.
Title: Re: In a model experiment, researchers subjected frogs to various levels of atrazine Post by: milestone23 on Nov 27, 2014 Great!
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