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






2. Resources that are often formed by very slow geologic processes - so we consider them incapable of being regenerated within the realm of human existence.






3. The process by which specialized bacteria (mostly anaerobic bacteria) convert ammonia to NOy NO2 - and N2 and release it back to the atmosphere.






4. The number of individuals of a population that inhabit a certain unit of land or water area.






5. A high-speed - meandering wind current - generally moving from a westerly direction at speeds often exceeding 400 km (250 miles) per hour at altitudes of 15 to 25 km (10 to 15 miles).






6. A waste product produced by the burning of coal.






7. 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.






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






9. The result of chemical interaction with the bedrock that is typical of the action of both water and atmospheric gases.






10. 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.






11. Pertaining to factors or things that are separate and independent from living things; nonliving.






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






13. Countries that have a renewable annual water supply of about 1 -000 -2 -000 m3 per person.






14. The result of vibrations (often due to plate movements) deep in the Earth that release energy. They often occur as two plates slide past one another at a transform boundary.






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






16. Organisms in the first stages of succession.






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






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






19. The unit used to describe the volume of fossil fuels.






20. The A layer of soil is often referred to as topsoil and is most important for plant growth.






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






22. When trees and crops are planted together - creating a mutualistic symbiotic relationship between them.






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






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






25. Organisms that are capable of interbreeding with one another and incapable of breeding with other species.






26. Refers to when farmers plant seeds without using a plow to turn the soil.






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






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






29. A soil horizon; B receives the minerals and organic materials that are leached out of the A horizon.






30. Poor nutrition that results from an insufficient or poorly balanced diet.






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






32. A symbiotic relationship in which both species benefit.






33. Organisms that consume primary consumers.






34. 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.






35. An opening in the Earth's crust through which molten lava - ash - and gases are ejected.






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






37. 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.






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






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






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






41. A nuclear reaction in which an atomic nucleus - especially a heavy nucleus such as an isotope of uranium - splits into fragments - usually two fragments of comparable mass - releasing from 100 million to several hundred million electron volts of ener






42. 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.






43. The process in which animals (and plants!) breathe and give off carbon dioxide from cellular metabolism.






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






45. The management of forest plantations for the purpose of harvesting timber.






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






47. An organism that obtains organic food molecules without eating other organisms or substances derived from other organisms. autotrophs use energy from the sun or from the oxidation of inorganic substances to make organic molecules from inorganic ones.






48. The process of burning.






49. A species whose very presence contributes to an ecosystem's diversity and whose extinction would consequently lead to the extinction of other forms of life.






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







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