Scientists studied changes in proline, which is an indicator of plant stress and overall protein content in the corn plant when leaves had been consumed by grasshoppers. Corn plants were exposed to varying numbers of grasshoppers and compared to control plants with no grasshopper exposure. The bar graphs, with error bars, show the mean proline and protein content. The dashed lines show the proline and protein content of healthy plants 10 days prior to treatment. Which of the following statements would most likely describe the growth of corn plants in this study? When there is a decrease in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the corn plants would have slower growth and be smaller than the control plants. When there is an increase in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the growth of the corn plants would be similar to or greater than that of the control plants. When there is an increase in proline content (dependent variable) and a decrease in protein content (dependent variable) measured against the number of grasshoppers (independent variable), the corn plants would have slower growth and be smaller than the control plants. When there is an increase in proline content (dependent variable) and a decrease in protein content (dependent variable) measured against the number of grasshoppers (independent variable), the corn plants would have similar or greater growth than control plants.

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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Scientists studied changes in proline, which is an indicator of plant stress and overall protein content in the corn plant when leaves had been consumed by grasshoppers. Corn plants were exposed to varying numbers of grasshoppers and compared to control plants with no grasshopper exposure.

The bar graphs, with error bars, show the mean proline and protein content. The dashed lines show the proline and protein content of healthy plants 10 days prior to treatment.

Which of the following statements would most likely describe the growth of corn plants in this study?

When there is a decrease in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the corn plants would have slower growth and be smaller than the control plants.

When there is an increase in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the growth of the corn plants would be similar to or greater than that of the control plants.

When there is an increase in proline content (dependent variable) and a decrease in protein content (dependent variable) measured against the number of grasshoppers (independent variable), the corn plants would have slower growth and be smaller than the control plants.

40
14
12
10
8
4
2
Control (0)
10
20
40
Control (0)
10
20
40
Herbivory
Herbivory
Proline (mg/g of fresh leaf)
Protein %

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