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The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction.

The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction.

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 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. WNon- Immune Immune Year Bolworms Bollworms Bollworm Population Over Time 600 2002 48 447 500 2004 50 450 400 Not immune to toxin 2006 50 10 300 2008 110 20 200 2010 235 15 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016- 2018 2016 495 15 Year 2018 492 20 Evidence of differential survival and reproduction The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction. DELL F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert
Transcribed Image Text: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. WNon- Immune Immune Year Bolworms Bollworms Bollworm Population Over Time 600 2002 48 447 500 2004 50 450 400 Not immune to toxin 2006 50 10 300 2008 110 20 200 2010 235 15 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016- 2018 2016 495 15 Year 2018 492 20 Evidence of differential survival and reproduction The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction. DELL F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert
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. WNon- Immune Immune Year Bolworms Bollworms Bollworm Population Over Time 600 2002 48 447 500 2004 50 450 400 Not immune to toxin 2006 50 10 300 2008 110 20 200 2010 235 15 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016- 2018 2016 495 15 Year 2018 492 20 Evidence of differential survival and reproduction The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction. DELL F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert
Transcribed Image Text: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. WNon- Immune Immune Year Bolworms Bollworms Bollworm Population Over Time 600 2002 48 447 500 2004 50 450 400 Not immune to toxin 2006 50 10 300 2008 110 20 200 2010 235 15 Immune to 100 taxin 2012 350 20 2014 470 10 2002 2004 2006 2008 2010 2012 2014 2016- 2018 2016 495 15 Year 2018 492 20 Evidence of differential survival and reproduction The farmer used the same pesticide in all of the years between 2006 and 2018. Explain why there was such a large drop in the worm population in 2006 but then the total number of worms increased back up over the next 10 years. Explain how this relates to the idea of differential survival and reproduction. DELL F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert
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