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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. A material that cannot be recycled or reused






2. A chart with bars






3. A relationship in which both species benefit






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






5. Flaw in design of procedure






6. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






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






9. Struggle between organisms to survive in a habitat with limited resources






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






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






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






13. An organism that can make it's own food






14. Something that breaks down into soil






15. An organism that breaks down wastes and dead organisms






16. Mass destruction of most species






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






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






19. Anything that harms an organism






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






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






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






23. Leaving a population






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






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






26. The disappearance of all members of a species from Earth






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






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






29. Wheat -bairley -corn....carbohydrates






30. The number of different species in an area






31. When a large fraction of the resource has been used up






32. The organism that the parasite lives in or on






33. The practice of reducing energy use






34. The rate of which a plant grows at






35. A group of land ecosystems with similar climates and organisms






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






37. Mistake in following procedure






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






39. Water stored in underground layers of soil and rock






40. A living part of an organism's habitat






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






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






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






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






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






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






47. Illegal killing or removal of wildlife from their habitats






48. Resources supplied by nature






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






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