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






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






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






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






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






6. An environmental factor that causes a population to decrease






7. Mistake in following procedure






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






9. The practice of reducing energy use






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






11. Organism that is killed






12. Organism that does the killing






13. A consumer that eats only plants






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






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






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






17. Anything in the environment that is used by people






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






19. The effect of the IV






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






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






22. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






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






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






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






26. Flaw in design of procedure






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






28. A nonliving part of an organism's habitat






29. The amount of food production in a given area






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






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






32. An organism that obtains energy by feeding on other organisms






33. Heat from the Earth's interior






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






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






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






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






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






39. An organism that breaks down wastes and dead organisms






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






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






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






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






44. The issue where humans don't take care of the Earth.






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






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






47. A consumer that eats only animals






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






49. Water stored in underground layers of soil and rock






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