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?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter35: Plant Nutrition

Section: Chapter Questions

Problem 1TYK

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You are interested in determining the amount of fertilizer your lavender plants need to increase their growth. You get 5 pots of plain soil. You transplant one lavender plant into each pot and measure the height of the plant. You label each pot with letters A-E. A does not get any fertilizer, pot B gets 2mg of fertilizer, pot B gets 4 mg of fertilizer, pot C gets 6 mg of fertilizer, pot D gets 8 mg of fertilizer, and pot E gets 10 mg of fertilizer. For one month you water the plants the same amount and each plant receives the same amount of light. After one month you measure the plants again. The results of the experiment are below. A. Write a testable hypothesis for this experiment. B. Write a prediction based on your hypothesis. C. What is the dependent variable? D. What is the independent variable? E. Do the results support or refute your hypothesis? Results Pot Initial Measurement (cm) Final Measurement (cm) A 5.2…
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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?