DDT and Pesticides Directions

Ameri privy School of Guatemala Secondary SectionDate 08/31/2012 APESTrimester 1 Activity 1- dichlorodiphenyltrichloroethane and Pesticides Directions acquire carefully each statement and serve up it. Watch the future(a) video dichlorodiphenyltrichloroethane and Pesticides, and write a brief reflection paragraph about the tweetic. If you want to see again this video, you can find it on the following direction. http//www. youtube. com/ specify? v=LQ64sV0nSVU This video shows how dichlorodiphenyltrichloroethane was used in the world to help earth. Later on deal started to notice that this pesticide was very strong that was able to kill plagues and insects rapidly that they started victimisation DDT point more.Even though it was helpful in roughly demeanor it was in any case harmful. It was harmful because it had a chemical that was not bonding and was the iodine that made the harmful changes same in frogs that had 5 legs and in humans the harm that was caused was that i t created cancer and mutations on people like the boy that was born(p) without eyes. DDT may change in a way about peoples life but it really affects humans and their genes. Go to the following address and watch Biocides Rachel Carson. http//www. youtube. com/watch? v=vbtp2B-IFmw. Go to the following address and DDT Weapon Against Disease Documentary Film (1945) http//www. outube. com/watch? v=RmeqHs4svbQ and write a pithy paragraph for the most key aspects covered on the video. In the video above it shows the creation of DDT. This specific product is characterized by a white insecticide and was formulated in many forms, it tells that DDT is taseless and almost odourless. It was first created in 1874 and used with broad success during World War II in order to catch malaria and thyphus within civilians and U. S troops. DDt was also used in awkward insecticide and later its production. It shows how people were taking advantage of DDT without cognize the harm it would cause.O n the following address http//www. naturalnews. com/DDT. html you would be find some articles about DDT and its telling with human health. Choose two articles, read it write a short paragraph. Study shows DDT to be unhealthful to nervous systems of babies This article talks about how Africa used DDT to bear on malaria spread by mosquitos. It tells how a link between chemicals and the development delays in infants that were in utero when their mother were exposed. An important fact is that despite that DDT was transferred by breast milk, children who were breast feeding developed more normally even though the mother had high levels of DDT.It proves that it is not clear that DDT has ever killed anyone but they are still investigating DDT s personal effects on humans. High levels of DDT still present in seek Waters in the U. S still possess high levels of DDT contamination. This shows that the pesticide is still found with high levels in fish caught near Los Angeles area. It is al so told that its associated with increase risk of liver cancer, and affect the human procreative and nervous systems, and toxic to many animals, specially aquatic life. All this manner that the amount of DDT in fish has not decreased by the last years.It concludes with how many companies have released a large quantity of DDT in water systems. On the following address http//www. epa. gov/aboutepa/history/topics/dichlorodiphenyltrichloroethane/01. html you would be find some articles about DDT and its relation with human health. Choose two articles, read it write a short paragraph (Just Read) A sweet relaxing time for you on this weekend, if you like the video games go to the following direction and play it. Write your score. http//www. mofunzone. com/online_games/pest_attack. shtml 7,500 dictionary write the definitions. BioaccumulationThe accumulation of a substance, such as toxic chemical, in various tissues of a living organism. Takes place within an organism when the esteem of intake of a substance is greater than the rate of excretion or metabolic transformation of that substance. Biomagnification The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain, As a result of biomagnification, organisms at the top of the food chain generally suffer great harm from a persistent toxin or pollutant than those at lower levels Example of the DDT on food chain