The bollworm is a pest that eats and damages corn crops. During their short lifespans, Bollworms hatch, eat, mate, and lay eggs which hatch the following spring. In order to save her business, a local farmer has chosen to use a pesticide toxin that's deadly to 90% of bollworms. The remaining 10% of the bollworm population is carries a rare inheritable gene that makes them immune to the toxin. The farmer switches to using the pesticide in 2006. At first, this seems to solve her problem: her first crop showed very little sign of bollworm damage. As time went on however, the modified corn plants began to show increasing signs of damage. Less than 10 years later, the plants showed nearly the same damage as the original crops. #Non- # Immune Immune Bollworms Bollworms Year Bollworm Population Over Time 600 2002 48 447 500 ill 2004 50 450 400 Not Immune 2006 50 10 300 to taxin 2008 110 20 2010 235 15 200 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016 2018 Year 2016 495 15 2018 492 20 Evidence for Variation: Use data from 2002 and/or 2004 to provide evidence that there was variation in immunity to the pesticide in the population before the farmer started using the pesticide. Your answer must include exact numbers from the provided data. Bollworm Population
The bollworm is a pest that eats and damages corn crops. During their short lifespans, Bollworms hatch, eat, mate, and lay eggs which hatch the following spring. In order to save her business, a local farmer has chosen to use a pesticide toxin that's deadly to 90% of bollworms. The remaining 10% of the bollworm population is carries a rare inheritable gene that makes them immune to the toxin. The farmer switches to using the pesticide in 2006. At first, this seems to solve her problem: her first crop showed very little sign of bollworm damage. As time went on however, the modified corn plants began to show increasing signs of damage. Less than 10 years later, the plants showed nearly the same damage as the original crops. #Non- # Immune Immune Bollworms Bollworms Year Bollworm Population Over Time 600 2002 48 447 500 ill 2004 50 450 400 Not Immune 2006 50 10 300 to taxin 2008 110 20 2010 235 15 200 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016 2018 Year 2016 495 15 2018 492 20 Evidence for Variation: Use data from 2002 and/or 2004 to provide evidence that there was variation in immunity to the pesticide in the population before the farmer started using the pesticide. Your answer must include exact numbers from the provided data. Bollworm Population
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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Transcribed Image Text:### Bollworm Immunity and Population Over Time
The bollworm is a pest that consumes and damages corn crops. During their short lifespans, Bollworms hatch, eat, mate, and lay eggs which hatch the following spring. To protect her business, a farmer has chosen to use a pesticide toxin that's deadly to 90% of bollworms. The remaining 10% of the bollworm population carries a rare inheritable gene that makes them immune to the toxin.
The farmer switches to using the pesticide in 2006. Initially, this appears to solve her problem: her first crop showed very little sign of bollworm damage. However, over time, the modified corn plants began to show increasing signs of damage. Less than 10 years later, the plants showed nearly the same damage as the original crops.
#### Table: Bollworm Population Data
| Year | # Immune Bollworms | # Non-Immune Bollworms |
|------|--------------------|-----------------------|
| 2002 | 48 | 447 |
| 2004 | 50 | 450 |
| 2006 | 35 | 447 |
| 2008 | 110 | 50 |
| 2010 | 235 | 15 |
| 2012 | 470 | 20 |
| 2014 | 470 | 13 |
| 2016 | 495 | 5 |
| 2018 | 492 | 15 |
#### Graph: Bollworm Population Over Time
The bar graph titled "Bollworm Population Over Time" visualizes the data from the table above, showing the number of immune and non-immune bollworms from 2002 to 2018. The x-axis represents the year, while the y-axis represents the bollworm population.
- **2002 and 2004**: There is a large population of non-immune bollworms (~450) and a smaller population of immune bollworms (~50).
- **2006**: The population of non-immune bollworms remains the same (~450) while the immune bollworms slightly decrease (~35).
- **2008**: There is a significant drop in non-immune bollworms (~50) and an increase in immune bollworms (~110).
- **2010-2018**: Over these years, the non-immune bollworm population drastically decreases
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