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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. Acid rain - acid hail - acid snow; all of which occur as a result of pollution in the atmosphere.






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






3. Creating flat platforms in the hillside that provide a level planting surface - which reduces soil runoff from the slope.






4. Also known as plantations - these are planted and managed tracts of trees of the same age that are harvested for commercial use.






5. When each family in a community grows crops for themselves and rely on animal and human labor to plant and harvest crops.






6. The rocks and Earth that is removed when mining for a commercially valuable mineral resource.






7. 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.






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






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






10. The outer part of the Earth - consisting of the crust and upper mantle - approximately 100 km (62 miles) thick.






11. The broad category under which selective cutting and shelter-wood cutting fall; selective deforestation.






12. Close - prolonged associations between two or more different organisms of different species that may - but do not necessarily benefit the members.






13. The water from which a river rises; a source.






14. The low-rainfall region that exists on the leeward (downwind) side of a mountain range. This rain shadow is the result of the mountain range's causing precipitation on the windward side.






15. Bacteria - virus - or other microorganisms that can cause disease.






16. The least pure coal.






17. A climate variation that takes place in the tropical Pacific about every three to seven years - for a duration of about one year.






18. Any compound that releases hydrogen ions when dissolved in water. Also - a water solution that contains a surplus of hydrogen ions.






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






20. An organism that must obtain food energy from secondary sources - for example - by eating plant or animal matter.






21. When the energy released from waste incineration is used to generate electricity.






22. The amount of time it takes for half of a radioactive sample to disappear.






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






24. A tank filled with aerobic bacteria that's used to treat sewage.






25. A group of modern windmills.






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






27. A usually triangular alluvial deposit at the mouth of a river.






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






29. The phenomenon whereby the Earth's atmosphere traps solar radiation - caused by the presence in the atmosphere of gases such as carbon dioxide - water vapor - and methane that allow incoming sunlight to pass through - but absorb heat radiated back fr






30. When the majority of a building's occupants experience certain symptoms that vary with the amount of time spent in the building.






31. Graphical representations of populations' ages.






32. 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.






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






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






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






36. Any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water.






37. The movement of individuals out of a population.






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






39. The maintenance of a species or ecosystem in order to ensure their perpetuation - with no concern as to their potential monetary value






40. The result of graphing a dose-response analysis.






41. 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






42. The process that occurs when two different species in a region compete and the better adapted species wins.






43. Sunlight.






44. The part of the Earth and its atmosphere in which living organisms exist or that is capable of supporting life.






45. The biological treatment of wastewater in order to continue to remove biodegradable waste.






46. An underground layer of porous rock - sand - or other material that allows the movement of water between layers of nonporous rock or clay. Aquifers are frequently tapped for wells.






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






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






49. Involves the sinking of shafts to reach underground deposits. In this type of mining - networks of tunnels are dug or blasted and humans enter these tunnels in order to manually retrieve the coal.






50. The edges of tectonic plates.







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