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AP Environmental Science

Subjects : science, ap
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A process in which an organism is exposed to a toxin at different concentrations - and the dosage that causes the death of the organism is recorded.






2. The process of soil particles being carried away by wind or water. Erosion moves the smaller particles first and hence degrades the soil to a coarser - sandier - stonier texture.






3. A platinum - coated device that oxidizes most of the VOCs and some of the CO that would otherwise be emitted in exhaust - converting them to CO2.






4. Soil with particles 0.002 -0.05 mm in diameter.






5. Smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels.






6. The degree to which a substance is biologically harmful.






7. The use of devices - such as solar panels - to collect - focus - transport - or store solar energy.






8. Fires that typically burn only the forest's underbrush and do little damage to mature trees. Surface fires actually serve to protect the forest from more harmful fires by removing underbrush and dead materials that would burn quickly and at high temp






9. In fishing - the use of long lines that have baited hooks and will be taken by numerous aquatic organisms.






10. An area in which a particular mineral is concentrated - mining -the excavation of the Earth for the purpose of extracting ore or minerals.






11. The solids that remain after the secondary treatment of sewage.






12. The dark - crumbly - nutrient-rich material that results from the decomposition of organic material.






13. When an area of vegetation is cut down and burned before being planted with crops.






14. A semiconductor device that converts the energy of sunlight into electric energy.






15. The effect caused by a short exposure to a high level of toxin.






16. Refers to resources - such as plants and animals - which can be regenerated if harvested at sustainable yields.






17. When a species occupies a smaller niche than it would in the absence of competition.






18. The process in which soil bacteria convert ammonium (NH4+) to a form that can be used by plants; nitrate - or NO3.






19. Formed from populations of different species occupying the same geographic area.






20. The removal of trees for agricultural purposes or purposes of exportation.






21. The vertical movement of a mass of matter due to heating and cooling; this can happen in both the atmosphere and Earth's mantle.






22. Organisms that reproduce early in life and often and have a high capacity for reproductive growth.






23. Organisms that consume secondary consumers or other tertiary consumers.






24. Areas where cutting has occurred and a new - younger forest has arisen.






25. Also known as transform faults - boundaries at which plates are moving past each other - sideways.






26. The raising of fish and other aquatic species in captivity for harvest.






27. The process in which plants absorb ammonium (NH3) - ammonia ions (NH4+) - and nitrate ions (NO3) through their roots.






28. The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct.






29. Bacteria or fungi that absorb nutrients from nonliving organic matter like plant material - the wastes of living organisms - and corpses. They convert these materials into inorganic forms.






30. The result of a pathogen invading a body.






31. Land that's fit to be cultivated.






32. Non-moving sources of pollution - such as factories.






33. Countries that have a renewable annual water supply of less than 1 -000 m3 per person.






34. The number of live births per 1 -000 members of the population in a year.






35. A process that allows the organic material in solid waste to be decomposed and reintroduced into the soil - often as fertilizer.






36. An organism that cannot synthesize its own food and is dependent on complex organic substances for nutrition.






37. The amount that the population would grow if there were unlimited resources in its environment.






38. The form petroleum takes when in the ground.






39. The random fluctuations in the frequency of the appearance of a gene in a small isolated population - presumably owing to chance - rather than natural selection.






40. An influential theory that concerns the long-term rate of conventional oil (and other fossil fuel) extraction and depletion. It predicts that future world oil production will soon reach a peak and then rapidly decline.






41. The finest soil - made up of particles that are less than 0.002 mm in diameter.






42. A stable - mature community in a successive series that has reached equilibrium after having evolved through stages and adapted to its environment.






43. The process by which the concentration of toxic substances increases in each successive link in the food chain.






44. Is the practice of planting bands of different crops across a hillside.






45. Occurs when infection causes a change in the state of health.






46. Any substance than is inhaled - ingested - or absorbed at dosages sufficient to damage a living organism.






47. A layer in a large body of water - such as a lake - that sharply separates regions differing in temperature - so that the temperature gradient across the layer is abrupt.






48. The gaseous mass or envelope surrounding a celestial body - especially the one surrounding the Earth - which is retained by the celestial body's gravitational field.






49. A specific location from which pollution is released; an example of a point source location is a factory where wood is being burned.






50. The liquid that percolates to the bottom of a landfill.







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