How Does Pesticides Affect Bedbug Diseases?

1. Bedbugs have evolved in the United States since the 1940s and 50s (Mitchell 2015). Due to genetic mutations after World War II a wide spread of pesticides known to be DDT were used. The genetic variation makes them resistant to the pesticides (Zimmer 2015). These DDT pesticides were used on the bedbug population, making them resistant to the pesticide. This illustrates natural selection because those resistant to the pesticide survive best. Which is heritable to their population with the resistant pesticide offspring. This gives their offspring the best fitness for adaptation to survive and breed resistant pesticide to their offspring as well (Mitchell 2015).
2. Over the years, our brains have shrunk from our ancestors, which had a much larger variation than most human’s today (Holloway 2014). Our ancestor had a much larger cortex, better for fitness …show more content…
I chose this source because Rich Couch was a past physical scientist, and studied in the related field.
Holloway, April. "Scientists Are Alarmed by Shrinking of the Human Brain." Ancient Origins. March 14, 2014. Accessed March 04, 2016. http://www.ancient-origins.net/news-evolution-human-origins/scientists-are-alarmed-shrinking-human-brain-001446.
4. I chose this source because this was published study made by team of Chinese researchers who studied information from 7,000 years old.
McAuliffe, Kathleen. " If Modern Humans Are So Smart, Why Are Our Brains Shrinking?" Discover Magazine. January 20, 2011. Accessed March 05, 2016. http://discovermagazine.com/2010/sep/25-modern-humans-smart-why-brain-shrinking.
4. I chose this source to be creditable because the website is known to be a scientific publication website made up of new discovered lead by researcher.
Mitchell, Elizabeth, Dr. "In Bedbugs, Scientists Don't See a Model of Evolution." Answers in Genesis. February 13, 2015. Accessed March 04, 2016.