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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. An organism that breaks down wastes and dead organisms






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






3. The process of changing free nitrogen gas into a usable form






4. A relationship in which both species benefit






5. An environmental factor that causes a population to decrease






6. Leaving a population






7. The process in which the changes that make organisms better suited to their environments develop






8. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






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






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






11. The number of different species in an area






12. Anything in the environment that is used by people






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






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






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






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






17. A material that cannot be recycled or reused






18. A resource that is either always available or is naturally replaced in a relatively short time






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






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






21. A study that compares the costs and benefits to society of providing a public good






22. Capable of being broken down by bacteria or other decomposers






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






24. Liphids - proteins - and carbohydrates






25. The study of the impact of humans on the environment






26. A consumer that eats only animals






27. Moving into a population






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






29. Flaw in design of procedure






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






31. The community of organisms that live in a particular area along with their nonliving surroundings






32. The variable that you manipulate






33. Behaviors and physical characteristics of species that allow them to live successfully in their environment






34. An organism's particular role - or how it makes its living






35. The series of changes that occur in an area where no soil or organisms exist






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






37. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






38. The process by which molecules of liquid absorb energy and change to gas






39. A species that influences the survival of many others in an ecosystem






40. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






41. A resource that is able to be reused - or can be replenished quickly






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






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






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






45. A graph that uses dots to compare rate of change over time






46. A state of poor nutrition; lacking enough calories or variety in diet






47. The largest population that an area can support






48. Anything that harms an organism






49. The movement or organisms from one place to another






50. A chart with bars