Bioaccumulation - Study guides, Class notes & Summaries

6 components of soil - -sand and gravel -silts and clays -dead organic material -soil fauna and flora -water -air A horizon (surface soil) - Mineral particles mixed with organic material. Food comes from the A horizon. A pattern of falling death and birth rates due to improved living conditions including education for women and access to birth control methods? - demographic transition Acute Effects - caused by a single exposure and results in an immediate health problem Additive React...

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...

Biology 104 Chapter 1 exam solved 100% Bioaccumulation -Correct Answer-Selective absorbtion and strorage of a great variety of molecules. This allows the accumulation of vitamins and minerals but at the same time can absorb harmful substances. Even though certain material are dilute in the environment, they can reach dangerous levels inside cells and tissues through bioaccumulation. Biomagnification -Correct Answer-Occurs when the toxic burden of a large number of organisms at a lower tropic...

SDSU Oceanography 100 Final Exam Questions and Answers Already Passed What is the origin of the Earth? Formed out of a solar nebula What are the origins of Life? Archaea - the oldest origin of life on Earth What is kinetic energy? The energy of motion What is heat energy? Energy created by particles of matter rubbing together What is density? A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? Transfer of heat throu...

C.3 - IB Biology Latest Update 100% Correct Define alien species. a species which arrives in a non-native habitat. Give three examples of alien species. zebra mussels, japanese knotweed, cane toad. Define biological control of invasive species and give an example. the control of an invasive species using another species. RHDV in rabbit population. Define biomagnification and give an example. a process in which chemical substances become more concentrated at each trophic level. ...

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 enemies to control pests. EX: Predators, Parasites, Pathogens Cultural Control - A...

ENWC 201 Final Exam Questions 2024 Marking Scheme what are wildlife diseases connected to? - Answer -1. conservation of threatened and endangered species 2. recreational use of wildlife 3. public health/loss of life 4. agriculture (livestock) disease - Answer --a disturbance to the normal function of structure of an organism epizootic - Answer --a disease that appears at an unexpected rate, synonymous with epidemic in humans -ex: white-nose syndrome in bats; causes them to wake up i...

PA Pesticide Applicator Exam Core Info Latest Update Graded A+ Bioaccumulation 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, Parasite...

SWS3022 Exam 2 Questions with Correct Answers What is the degree to which organic contaminants impact soil and water quality related to? - Answer-water solubility What are the three factors that water solubility influences in organic contaminants? - Answer-mobility, persistence, and bioavailability What are the two factors that cause some organic chemicals to be able to dissolve in water? - Answer-being polar and/or electrically charged organochlorines - Answer-non-ionic, non-polar org...

Oceanography 100 Final SDSU Exam Questions And Answers 100% Verified How was the solar system formed? - answer-a supernova (explosion of a start when it runs out of fuel) -4.6 billion years ago how was the earth formed? - answer-a nebula made of gas and dust -was formed 4.5 billion years ago how did oceans form? - answer-A volcanic expulsion - rained for thousands of years -hit by an icy comets -volcanic out gassing and ice from comets when did life form? - answer-3.7 billion years ag...