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DSST Environmental Sciences Vocab

Subjects : dsst, science
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. Leaving a population






2. Liphids - proteins - and carbohydrates






3. The series of predictable changes that occur in a community over time






4. Type of graph most often used for categorical data






5. The act of restricting your food intake (or your intake of particular foods)






6. The process by which a gas changes to a liquid






7. The pattern of overlapping food chains in an ecosystem.






8. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






9. A close relationship between two species that benefits at least one of them






10. The continuous process by which water moves from Earth's surface to the atmosphere and back






11. A grid that displays the data plotted in a chart.






12. The process of cutting down only some trees in area






13. Countries with less productive economies and a lower quality of life






14. The number of different species in an area






15. A carnivore that feeds on the bodies of dead organisms






16. People who survive by searching for wild plants and animals; always move in small groups






17. A species that could become endangered in the near future






18. Water stored in underground layers of soil and rock






19. The degree of hotness or coldness of a body or environment






20. A habitat in which the freshwater of a river meets the salt water of an ocean






21. A relationship that involves one organism living on or inside another organism and harming it






22. Wheat -bairley -corn....carbohydrates






23. A graph that highlights segments of a circle to show simple distribution patterns






24. Any form of water that falls to the Earth's surface






25. The organism that benefits by living on or in a host






26. The movement or organisms from one place to another






27. Organism that is killed






28. An environment that provides the things an organism needs to live - grow and reproduce






29. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






30. A graph that uses line segments to show changes that occur over time






31. The typical weather pattern in an area over a long period of time






32. All the members of one species in a particular area






33. Resources supplied by nature






34. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






35. A measure of human demand on the Earth's ecosystems






36. Mass destruction of most species






37. A material that cannot be recycled or reused






38. Something that breaks down into soil






39. The rate of which a plant grows at






40. Countries with strong economies and a high quality of life






41. A natural resource that is not replaced in a useful time frame






42. Possible to use again






43. Flaw in design of procedure






44. Anything in the environment that is used by people






45. Anything that harms an organism






46. The group that does not receive the experimental treatment.






47. A series of events in which one organism eats another and obtains energy






48. An interaction in which one organism kills and eats another






49. A relationship in which both species benefit






50. A relationship in which one species benefits and the other is neither helped nor harmed