Ddt Study guides, Class notes & Summaries

Until malaria and AIDS, what was the most devastating plague? ☑: The Black Death How did 17th century doctors treat the plague? ☑: They inspected patients with pointers and would use spice-filled pomanders to fend it off. What feeds off on blood of mammals such as rats and birds, in which they spread the bacteria that causes plagues? ☑: Fleas How do people normally get the plague? ☑: From being bitten by a rodent flea that is carrying the bacterium or by handling infected animal...

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how long have homo-sapiens been on earth Correct Answer: thought to be 200,000 years, starting in ethiopia mutation Correct Answer: change in nucleotide in the base of DNA; not all harmful; passed down in generations of that descent when did humans establish themselves worldwide Correct Answer: 12,000 years ago; before humans and agriculture coincided how did humans live before agriculture Correct Answer: used tools (needles, spears, clothes) and lived in small groups spread out of la...

Until malaria and AIDS, what was the most devastating plague? Correct Answer: The Black Death How did 17th century doctors treat the plague? Correct Answer: They inspected patients with pointers and would use spice-filled pomanders to fend it off. What feeds off on blood of mammals such as rats and birds, in which they spread the bacteria that causes plagues? Correct Answer: Fleas How do people normally get the plague? Correct Answer: From being bitten by a rodent flea that is carryin...

Contemporary Issues in Biology Final ~ TCU, Sawey Exam Questions and Answers how long have homo-sapiens been on earth - Answer- thought to be 200,000 years, starting in ethiopia mutation - Answer- change in nucleotide in the base of DNA; not all harmful; passed down in generations of that descent when did humans establish themselves worldwide - Answer- 12,000 years ago; before humans and agriculture coincided how did humans live before agriculture - Answer- used tools (needles, spears, c...

Idaho Pesticide Applicator Exam Questions And Answers (Verified And Updated) True or False One of the earliest uses of chemicals as pesticides was the burning of sulfur - answerTrue True or False One responsibility of the US EPA is to protect humans and environmental health - answerTrue Which of the following would not be considered a natural pest control method? A. Wind B. Rain C. Cultivation D. Sunshine - answerC. Cultivation Which of the following is cultural control method? A. F...

Mosquito Control in Florida in 20th century tourism rocketed after control of salt marsh mosquitoes, prior to this S. penninsular part of FL = unhabituale, orange county = mosquito county first organized mosquito effort in FL" WW1 joint effort between US army and US public health service @ camp johnson near jacksonville, 1919 city of Perry in the 30s and 40s 1500 miles of drainage ditches dug to drain mosquito breeding habitats, Burea of malaria Control created wtihin Division of Health, ...

CIH Flashcards Questions and Answers 100% Verified 2023 Organochlorides Chlorinated hydrocarbons DDT, Chlorodane, Aldrin, Kepone Stored in body fat, non-polar, lipid soluble Hepatotoxic, nephrotoxic, neurotoxic Aliphatic Hydrocarbons Opposite of aromatics (no benzene, open chain) Gases C1-C4, Liquids C5-C16, Solids >C16 Halogenated Hydrocarbons Carbon Tetrachloride - potent hepatotoxin, Methylene Chloride - metabolizes into CO Cotton Dust Causes Byssiosis or brow...

Pest - ANSWER an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - ANSWER disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - ANSWER When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - ANSWER The accumulation of pesticide in the fatty tissue of some animals biomagnification - ANSWER The Food chain. Organ...

Natural selection: Basic requirement for natural selection to occur in a population: organisms in the same population must differ from one another in their heritable traits. Examples of natural selection and evolution at work include which of the following? -The case of the bacteria Staphylococcus aureus resistance to first penicillin, then methicillin, and now vancomycin. -Housefly resistance to DDT within a decade of its introduction. -Weed resistance to herbicides. -The progression of ...