DDT Study guides, Class notes & Summaries

Contemporary Issues in Biology TCU (Hale) Exam Questions and Answers Plague - Answer- Broke out in the 1300s and killed 75 million people by the early 19th century. Fleas were spreading the plague. Modern antibiotics are effective against plague, but if an infected person is to treated promptly, the disease is likely to cause illness or death. Fleas spread plague by? - Answer- feeding on blood of mammals like rats, spreading the bacteria that causes plague. Malaria - Answer- One of the m...

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

Contemporary Issues in Biology Exam 3 Sawey, TCU Exam Questions and Answers 100% Pass Until malaria and AIDS, what was the most devastating plague? - Answer- The Black Death How did 17th century doctors treat the plague? - 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? - Answer- Fleas How do people normally get the plague? ...

Primary goal of airspace control - Answer- Enhance effectiveness of joint and multinational air operations. Plan the AMT develops for the ACA - Answer- ACP (Airspace control plan) Part of AMT that coords & manages execution of ACO - Answer- The AMT in the COD The AMT in the COD answers to? - Answer- The CCO Primary task of AMT in the COD - Answer- monitor execution of ACO while making & disseminating changes in response to ATO changes Output of AMT in the COD - Answer- ACO changes...

What are the levels of organization? correct answer: Cells -> Tissues -> Organs-> organ systems -> organism -> population -> community -> ecosystem -> biome -> biosphere Cells correct answer: Basic unit of life Tissues correct answer: Groups of cells with a common structure and function. Organs correct answer: Groups of tissues that work together to perform a specific function or related functions Organ system correct answer: a group of organs working ...

Contemporary Issues In Biology Exam 4 (taryn_weltzin) Exam Questions and Answers Natural Selection - Answer- environment determines which organisms will survive and reproduce Fruit Flies and Humans - Answer- 15,000 similar genes - cellular/molecular levels our genetic code is indistinguishable Hunter-Gatherers (Homosapiens) - Answer- lacked agricultural technology - lived in small groups instead of large populations North American Food Resources - Answer- everything except for seafood is...

Which of the following is a chlorinated hydrocarbon? Pyrethrin Dursban DDT Baygon - DDT All synthetic organic poisons contain some form of the element carbon? True or False - True Which of the following is a Carbamate? Baygon Malathion Sevin Both A & C - Both A & C Vitamin K is used as an antidote for organophosphate poisoning? True or False - False Which of these is not an inorganic poison? Arsenic Diazinon Boron Diatomaceous Earth - Diazinon

Washington Pesticide Laws and Safety Test, Practice Exam Questions With Correct Answers A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) - answerTrue The use of temperature or humidity manipulation is a ________ control method for insects - answerPhysical Drift problems can be reduced by: a. using lower pressure, smaller nozzle orifices b. applying in very calm, stable air conditions c. spraying upwind of a sensitive area d. placing bloom as...

Contemporary Issues in Biology- Exam #3- Sawey Questions and Answers What caused the Bubonic Plague? - Answer- bacteria called Bacillus (rod-shaped) How much of the population was effected by this? - Answer- 25% of the population in Europe died in the mid-1300's How is the plague spread? - Answer- flea sucks blood from infected rat --> flea picks up bacteria that causes plague (Yersinia petis) --> flea feeds on human and spreads disease Malaria - Answer- one of the most deadly dis...

AEST Ag Associates Review #3 By the year 2025, the world population is projected to be? - ANSWER-8 billion The acronym USDA stands for the government agency known as? - ANSWER-United States Department of Agriculture What is the meaning of the Greek word bios? - ANSWER-life The Greek word logy means? - ANSWER-study Organic food is a term used for foods that have been grown? - ANSWER-without use of chemical pesticides Which terms refers to all the conditions, circumstances, and influences ...