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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. The number of children an average woman will bear during her lifetime; this information is based on an analysis of data from preceding years in the population in question.






2. A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea or eastern regions of the Pacific Ocean - traveling north - northwest - or northeast from its point of origin - and usually involving heavy rains.






3. When the signs and symptoms of an illness can be attributed to a specific infectious organism that resides in the building.






4. Any substance that has an LD50 - of 50 mg or less per kg of body weight.






5. Soil composed of a mixture of sand - clay - silt - and organic matter.






6. Nets that are dragged through the water and indiscriminately catch everything in their path.






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






8. A soil horizon - horizon C is made up of larger pieces of rock that have not undergone much weathering.






9. A fishing technique in which the ocean floor is literally scraped by heavy nets that smash everything in their path.






10. The least pure coal.






11. An estimate of the amount of fossil fuel that can be obtained from reserve.






12. An erosion-resistant marine ridge or mound consisting chiefly of compacted coral together with algal material and biochemically deposited magnesium and calcium carbonates.






13. The maximum population size that can be supported by the available resources in a region.






14. The part of the wide lower course of a river where its current is met by the tides.






15. The removal of all of the trees in an area.






16. The removal of select trees in an area; this leaves the majority of the habitat in place and has less of an impact on the ecosystem.






17. 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.






18. This category includes organisms that consume producers (plants and algae).






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






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






21. A hydrocarbon that forms as sediments are buried and pressurized.






22. The result of a pathogen invading a body.






23. When soil becomes water-logged and then dries out - and salt forms a layer on its surface.






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






25. The more or less constant winds blowing in horizontal directions over the Earth's surface - as part of Hadley cells.






26. In tectonic plates - the site at which an oceanic plate is sliding under a continental plate.






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






28. A lowland area - such as a marsh or swamp - that is saturated with moisture - especially when regarded as the natural habitat of wildlife.






29. The process of burning.






30. The number of children a couple must have in order to replace themselves in a population.






31. A process in which rows of crops are plowed across the hillside; this prevents the erosion that can occur when rows are cut up and down on a slope. ...






32. A plate boundary at which plates are moving away from each other. This causes an upwelling of magma from the mantle to cool and form new crust.






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






34. A bloom of dinoflagellates that causes reddish discoloration of coastal ocean waters. Certain dinoflagellates of the genus Gonyamfox produce toxins that kill fish and contaminate shellfish.






35. Power generated using water.






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






37. The gradual breakdown of rock into smaller and smaller particles - caused by natural chemical - physical - and biological factors.






38. The process of fusing two nuclei.






39. Being extinct or the process of becoming extinct.






40. A succession of organisms in an ecological community that constitutes a continuation of food energy from one organism to another as each consumes a lower member and - in turn - is preyed upon by a higher member.






41. The structure obtained if we organize the amount of energy contained in producers and consumers in an ecosystem by kilocalories per square meter - from largest to smallest.






42. The part of the mantle that lies just below the lithosphere.






43. A cooling of the ocean surface off the western coast of South America - occurring periodically every 4 to 12 years and affecting Pacific and other weather patterns.






44. A layer of soil.






45. The outermost shell of the atmosphere - between the mesosphere and outer space - where temperatures increase steadily with altitude.






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






47. An effect that results from long -term exposure to low levels of toxin.






48. Pollutants that are released directly into the lower atmosphere.






49. The point at which 50 percent of the test organisms die from a toxin.






50. The uppermost horizon of soil. It is primarily made up of organic material - including waste from organisms - the bodies of decomposing organisms - and live organisms.







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