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






2. Power generated using water.






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






4. When companies are allowed to buy permits that allow them a certain amount of discharge of substances into certain environmental outlets. If they can reduce their amount of discharge - they are allowed to sell the remaining portion of their permit to






5. A group of organisms of the same species that live in the same area.






6. The edges of tectonic plates.






7. The process in which soil bacteria convert ammonium (NH4+) to a form that can be used by plants; nitrate - or NO3.






8. The amount of sugar that the plants produce in photosynthesis and subtracting from it the amount of energy the plants need for growth maintenance - repair - and reproduction.






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






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






11. A region of the ocean near the equator - characterized by calms - light winds - or squalls.






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






13. The process by which - according to Darwin's theory of evolution - only the organisms best adapted to their environment tend to survive and transmit their genetic characteristics in increasing numbers to succeeding generations - while those less adap






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






15. 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.






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






17. The value of natural resources.






18. 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.






19. The layer of the Earth between the crust and the core.






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






21. The movement of individuals into a population.






22. A method of supplying irrigation water through tubes that literally drip water onto the soil at the base of each plant.






23. Living or derived from living things.






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






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






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






27. A fiscal policy that lowers taxes on income - including wages and profit - and raises taxes on consumption - particularly the unsustainable consumption of non-renewable resources.






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






29. The raising of fish and other aquatic species in captivity for harvest.






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






31. The total sum of a species' use of the biotic and abiotic resources in its environment.






32. When ecological succession begins in a virtually lifeless area - such as the area behind a moving glacier.






33. Energy at rest - or stored energy.






34. Organisms that consume primary consumers.






35. A symbiotic relationship in which both species benefit.






36. Radioactive wastes that produce low levels of ionizing radiation.






37. A program funded by the federal government and a trust that's funded by taxes on chemicals; identifies pollutants and cleans up hazardous waste sites.






38. When populations are well below the size dictated by the carrying capacity of the region they live in - they will grow exponentially - but as they approach the carrying capacity - their growth rate will decrease and the size of the population will ev






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






40. 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.






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






42. The random fluctuations in the frequency of the appearance of a gene in a small isolated population - presumably owing to chance - rather than natural selection.






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






44. 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.






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






46. One that has never been cut; these forests have not been seriously disturbed for several hundred years.






47. The result of a pathogen invading a body.






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






49. 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.






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







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