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






2. 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






3. The second-purest form of coal.






4. The management or regulation of a resource so that its use does not exceed the capacity of the resource to regenerate itself.






5. 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.






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






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






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






9. The use of building materials - building placement - and design to passively collect solar energy that can be used to keep a building warm or cool.






10. The day-to-day variations in temperature - air pressure - wind - humidity - and precipitation mediated by the atmosphere in a given region.






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






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






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






14. 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.






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






16. Ozone that exists in the trophosphere.






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






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






19. Urban areas that heat up more quickly and retain heat more than do nonurban areas.






20. The fraction of solar energy that is reflected back into space.






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






22. Change in the genetic composition of a population during successive generations as a result of natural selection acting on the genetic variation among individuals and resulting in the development of new species.






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






24. 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.






25. 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.






26. The process of burning.






27. 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.






28. 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.






29. Radioactive wastes that produce high levels of ionizing radiation.






30. When one species feeds on another.






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






32. When water rights are given to those who have historically used the water in a certain area.






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






34. The coarsest soil - with particles 0.05 -2.0 mm in diameter.






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






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






37. A basic substance; chemically - a substance that absorbs hydrogen ions or releases hydroxyl ions; in reference to natural water - a measure of the base content of the water.






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






39. 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.






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






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






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






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






44. 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).






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






46. The point at which 50 percent of the test organisms show a negative effect from a toxin.






47. A long - relatively narrow island running parallel to the mainland-built up by the action of waves and currents and serving to protect the coast from erosion by surf and tidal surges.






48. Air currents caused by the vertical movement of air due to atmospheric heating and cooling.






49. The development and introduction of new varieties of (mainly) wheat and rice that has increased yields per acre dramatically in countries since the 1960s.






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







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