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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. The disappearance of all members of a species from Earth






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






3. Anything in the environment that is used by people






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






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






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






7. A chart with bars






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






9. Heat from the Earth's interior






10. Anything that harms an organism






11. In an experiment - the group of participants that recieves the manipulation






12. Type of graph most often used for categorical data






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






14. The practice of reducing energy use






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






16. Leaving a population






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






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






19. A resource that is not able to be reused - or cannot be replenished quickly






20. The organism that the parasite lives in or on






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






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






23. Moving into a population






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






25. Organism that is killed






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






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






28. All the different populations that live together in an area






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






30. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






31. Liphids - proteins - and carbohydrates






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






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






34. The number of different species in a given area






35. A higer demand of that limited product the the price goes up






36. The effect of the IV






37. Water stored in underground layers of soil and rock






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






39. The study of how living and nonliving things interact






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






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






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






43. Organism that does the killing






44. Something that does not completely break down into the soil






45. A consumer that eats only plants






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






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






48. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






49. Mistake in following procedure






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







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