Bioaccumulation - Study guides, Class notes & Summaries

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. ...

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...

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...

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...

PH Unit 3 (final): Vocab latest update A+ graded how a pollutant enters the food chain; the accumulation over time of a chemical in a living organism - bioaccumulation eg: can come from bug spray, roach spray (educate to limit intake of foods or exposure to harmful chemicals) - bioaccumulation process of using medical tests such as blood or urine collection to determine whether a person has been exposed to a contaminant and how much exposure he or she has recei...

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...

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...

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 absorbed systemically by treated plants or animals. These...

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...

Vector Control Questions and Answers Rated A+ Vector control can be divided into: Chemical involving natural or synthetic chemicals as control agents Non-chemical including natural control methods, that focuses on biological, microbial, cultural, physical, mechanical, or legislative method to control vectors. Chemical Control Inorganic: -insecticides—lead arsenate; fungicides—mercuric chloride; rodenticides—zinc phosphide Organic -natural—botanicals: pyrethrins, roteno...