Bioaccumulation Study guides, Class notes & Summaries

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

Absorption - ANSWERThe process by which pesticides are taken into animals, including humans, and porous surfaces (soil). Active ingredient (a.i.) - ANSWERThe chemical or chemicals in a product responsible for the desired effects, which are capable of preventing, destroying, repelling or mitigating insects, fungi, rodents, weeds, or other pests. listed separately in the ingredient statement. Acute toxicity - ANSWERHow poisonous a pesticide is to an animal or person after a single dose (or e...

PA Pesticide Applicator Exam Core Info 1. Bioaccumulation: The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. 2. Biomagnification: Accumulation of pollutants at successive levels of the food chain 3. abiotic factors: natural control measures within the environment.

PA Pesticide Applicator Exam Core Info with correct answers 2023Bioaccumulation The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Biomagnification Accumulation of pollutants at successive levels of the food chain abiotic factors natural control measures within the environment. EX: climactic factors, air/water pollution, topographic features. Biological Control The use of natural enemies to control pests. EX: Predators, ...

PA Pesticide Applicator Exam Core Info 1. Bioaccumulation: The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. 2. Biomagnification: Accumulation of pollutants at successive levels of the food chain 3. abiotic factors: natural control measures within the environment.

Iowa Core Manual* Questions with complete solutions 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? The presence of sandy soil and a high water table _______ the potential risk of groundwater contamination. 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 ...

The Earth - origin of Earth, oceans, life; the Earth's internal layers... - origin of Earth, oceans, life; the Earth's internal layers... Origin of Earth, Oceans, Life: • Earth: Supernova (explosion of a star-4.6 bya)- earth (nebula made of gas and dust) was formed 4.5 billion years ago. • Oceans: Volcanic expulsion, rained for thousands of years then hit by icy comets; volcanic outgassing and ice from comets • Life: 3.7 billion years ago life was created- animals have been arou...

PA Pesticide Applicator Exam Core Info with Complete SolutionsPA Pesticide Applicator Exam Core Info with Complete SolutionsPA Pesticide Applicator Exam Core Info with Complete 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: climacti...

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...

SDSU Ocean 100 Final SacramentoGrilo Latest Version Already Passed origin of earth • 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 • volcanic explosion, H2O condensed and rained down for thousands of years to create oceans • icy comets hitting earth (respon...