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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 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.






2. 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.






3. The dosage level of a toxin at which a negative effect occurs.






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






5. Says that the entropy (disorder) of the universe is increasing. One corollary of the Second Law of thermodynamics is the concept that - in most energy transformations - a significant fraction of energy is lost to the universe as heat.






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






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






8. 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.






9. A plate boundary where two plates are moving toward each other.






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






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






12. 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.






13. The thinning of the ozone layer over Antarctica (and to some extent - over the Arctic).






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






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






16. Transition in species composition of a biological community - often following ecological disturbance of the community; the establishment of a biological community in any area virtually barren of life.






17. Open or forested areas built at the outer edge of a city.






18. Can consist of hazardous waste - industrial solid waste - or municipal waste. Many types of solid waste provide a threat to human health and the environment.






19. Power generated using water.






20. Organisms that derive energy from consuming nonliving organic matter.






21. 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.






22. The capacity to do work.






23. Fish farming in which fish are caught in the wild and not raised in captivity for consumption.






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






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






26. A model that's used to predict population trends based on the birth and death rates as well as economic status of a population.






27. 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.






28. Any waste that poses a danger to human health; it must be dealt with in a different way from other types of waste.






29. The bedrock - which lies below all of the other layers of soil - is referred to as the R horizon.






30. The cultivation of a single crop on a farm or in a region or country; a single - homogeneous culture without diversity or dissension.






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






32. A symbiotic relationship in which both species benefit.






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






34. The condition in which - at ecosystem boundaries - there is greater species diversity and biological density than there is in the heart of ecological communities.






35. Any other species of fish - mammals - or birds that are caught that are not the target organism.






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






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






38. Involves the removal of the Earth's surface all the way down to the level of the mineral seam.






39. When the size of an organism's natural habitat is reduced - or when development occurs that isolates a habitat.






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






41. The observed effect of the Coriolis force - especially the deflection of an object moving above the Earth - rightward in the Northern Hemisphere - and leftward in the Southern Hemisphere.






42. When photochemical smog - NOx compounds - VOCs - and ozone combine to form smog with a brownish hue.






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






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






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






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






47. Energy at rest - or stored energy.






48. Piles of gangue - which is the waste material that results from mining.






49. 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. ...






50. Species that originate and live - or occur naturally - in an area or environment.







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