I grow two tomato plants from seed in separate pots next to each other on my porch. I use the same potting soil in each pot and water both at the same time each day. To one pot I add a small amount of Miracle-Gro, while I add no extra fertilizer to the other. At the end of 6 weeks, the Miracle-Gro plant has increased in weight by 210%, while the other plant has increased by only 65%. Fill in the following table. Is there a control treatment (and, if so, what is it)? Is there any accounting for individual variation? Is there repetition in the experiment? What, if any, confounding variables are not addressed in the experiment?
I grow two tomato plants from seed in separate pots next to each other on my porch. I use the same potting soil in each pot and water both at the same time each day. To one pot I add a small amount of Miracle-Gro, while I add no extra fertilizer to the other. At the end of 6 weeks, the Miracle-Gro plant has increased in weight by 210%, while the other plant has increased by only 65%. Fill in the following table. Is there a control treatment (and, if so, what is it)? Is there any accounting for individual variation? Is there repetition in the experiment? What, if any, confounding variables are not addressed in the experiment?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
I grow two tomato plants from seed in separate pots next to each other on my porch. I use the same potting soil in each pot and water both at the same time each day. To one pot I add a small amount of Miracle-Gro, while I add no extra fertilizer to the other. At the end of 6 weeks, the Miracle-Gro plant has increased in weight by 210%, while the other plant has increased by only 65%.
Fill in the following table.
|
Is there a control treatment (and, if so, what is it)? |
|
|
Is there any accounting for individual variation? |
|
|
Is there repetition in the experiment? |
|
|
What, if any, confounding variables are not addressed in the experiment? |
|
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