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Problem I. The farmer is hoping you can offer a suggestion explaining why this is happening. Record your hypotheses as to why the flies are not dying off. Be prepared to share these with the rest of the class.

Problem I. The farmer is hoping you can offer a suggestion explaining why this is happening. Record your hypotheses as to why the flies are not dying off. Be prepared to share these with the rest of the class.

Human Anatomy & Physiology (11th Edition)
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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### THE FARMER AND THE FLY: PART I #### Directions: - Read each part of the scenario - Determine a response for the problem which correlates to part of the scenario you have just read. --- #### Scenario part I. A farmer was working with chickens at an agricultural research station. The population of flies in the chicken house was so large that the health of the chickens was affected. So the farmer decided to spray the chicken house and the chickens with a solution of insecticide, Formula A. The insecticide worked well and killed nearly all of the flies. Sometime later, however, the number of flies was again large. The farmer sprayed the chicken house and the chickens with insecticide, Formula A again. Many of the flies were killed, but not all. Unfortunately, after a short time, the flies repopulated the chicken house. The farmer sprayed the chicken house and the chickens with insecticide, Formula A again. The farmer continued to do this each time the flies repopulated the chicken house. After each spraying, the farmer noticed that the insecticide was becoming less and less effective at killing the flies. **Problem I.** The farmer is hoping you can offer a suggestion explaining why this is happening. Record your hypotheses as to why the flies are not dying off. Be prepared to share these with the rest of the class. --- #### Scenario part II. A researcher at the station noted that one large batch of Formula A had been mixed at the beginning of the spring. The farmer had used the same solution for each spraying. Based on this, the researcher suggested the insecticide could have decomposed over time and therefore become less effective with each spraying. **Problem II.** Describe at least two possible ways to test this hypothesis. Record these and be prepared to discuss them with the class. --- #### Scenario part III. The researcher at the agricultural facility then mixed a new batch of the Formula A insecticide. This batch was used to spray the flies in the chicken house. When this was done, most of the flies had survived. ---
Transcribed Image Text:### THE FARMER AND THE FLY: PART I #### Directions: - Read each part of the scenario - Determine a response for the problem which correlates to part of the scenario you have just read. --- #### Scenario part I. A farmer was working with chickens at an agricultural research station. The population of flies in the chicken house was so large that the health of the chickens was affected. So the farmer decided to spray the chicken house and the chickens with a solution of insecticide, Formula A. The insecticide worked well and killed nearly all of the flies. Sometime later, however, the number of flies was again large. The farmer sprayed the chicken house and the chickens with insecticide, Formula A again. Many of the flies were killed, but not all. Unfortunately, after a short time, the flies repopulated the chicken house. The farmer sprayed the chicken house and the chickens with insecticide, Formula A again. The farmer continued to do this each time the flies repopulated the chicken house. After each spraying, the farmer noticed that the insecticide was becoming less and less effective at killing the flies. **Problem I.** The farmer is hoping you can offer a suggestion explaining why this is happening. Record your hypotheses as to why the flies are not dying off. Be prepared to share these with the rest of the class. --- #### Scenario part II. A researcher at the station noted that one large batch of Formula A had been mixed at the beginning of the spring. The farmer had used the same solution for each spraying. Based on this, the researcher suggested the insecticide could have decomposed over time and therefore become less effective with each spraying. **Problem II.** Describe at least two possible ways to test this hypothesis. Record these and be prepared to discuss them with the class. --- #### Scenario part III. The researcher at the agricultural facility then mixed a new batch of the Formula A insecticide. This batch was used to spray the flies in the chicken house. When this was done, most of the flies had survived. ---
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