Bioaccumulation - Study guides, Class notes & Summaries

Pest Control Exam Questions and Answers 100% Pass Pest - Correct Answer ️️ -an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - Correct Answer ️️ -disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - Correct Answer ️️ -When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - Correct Answer ️️ -The accumu...

Pesticide applicators License Latest Update Rated A+ Action threshold the pest level at which some type of pest management action must be taken Bioaccumulation The accumulation of toxic substances, such as pesticides, or other organic chemicals in an organism Biomagnification The tendency for certain pesticides to progressively become more concentrated in each type of organism when moving from the bottom to the top organism within a food chain Contact pesticide Pesticide that is not ...

Pesticide applicators License Latest Update Rated A+ Action threshold the pest level at which some type of pest management action must be taken Bioaccumulation The accumulation of toxic substances, such as pesticides, or other organic chemicals in an organism Biomagnification The tendency for certain pesticides to progressively become more concentrated in each type of organism when moving from the bottom to the top organism within a food chain Contact pesticide Pesticide that is not abso...

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...

Study Guide: Pest Control Exam [100% Correct] Pest *Ans* an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens *Ans* disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance *Ans* When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation *Ans* The accumulation of pesticide in the fatty tissue of some animals biomagnification ...

Federal Food, Drug, and Cosmetics Act (FFDCA) - called for reassessing existing tolerances and tolerance exemptions to ensure that they meet the legal safety standard. They govern the establishment of pesticide tolerances for food and feed products Repellents - repel insects, mites, ticks, pest vertebrates, invertebrates, birds, and mammals. Applied Controls - When humans try to eliminate pests. 1. Biological Control 2. Chemical control 3. Cultural Control 4. Genetic control 5. Mechani...

Natural hazards of California include all but one of the following: - ️️hurricanes . The majority of Canadian hydropower originates at: - ️️Hudson Bay A keystone species in the Pacific Northwest ecosystem is: - ️️salmon A major controversy regarding biofuels revolves around: - ️️the air pollution created around biofuel production A major difference between old-growth and managed forests is: - ️️managed forests result in ecologic stagnation A major reason that the Tongass...

origin of earth - Answer-• Supernova: death of a star (great explosion) • Supernova happened 4.6 bya, dust and gas flattens to a disk and spins faster due to gravity and solar nebula formed. • Solar Nebula: describes formation of Earth 4.5 bya • Nebula: gas cloud origin of oceans - Answer-• volcanic explosion, H2O condensed and rained down for thousands of years to create oceans • icy comets hitting earth (responsible for 1/2 of earths ocean water) origin of life - Answer-•...

If you are mixing a product that has a Section 18 emergency exemption in addition to the label on the product, what do you use for instructions on how to mix the product? - Section 18 label The presence of sandy soil and a high water table _______ the potential risk of groundwater contamination. - increases What should you do to contain a small pesticide spill? A. Surround the spill with containment snakes or pillows. B. Hose down the spill to dilute it. C. Ignore it and continue workin...

PA Pesticide Applicator Exam Core Info Exam Real Questions & Verified Solutions Bioaccumulation - ANSWER The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Biomagnification - ANSWER Accumulation of pollutants at successive levels of the food chain abiotic factors - ANSWER natural control measures within the environment. EX: climactic factors, air/water pollution, topographic features. Biological Control - ANSWER The use of natural en...