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






2. A chart with bars






3. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






4. The movement or organisms from one place to another






5. A relationship in which both species benefit






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






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






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






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






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






11. The practice of reducing energy use






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






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






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






15. The number of different species in a given area






16. The first species to populate the area






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






18. Farmers who raise food and animals mainly to feed their own families






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






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






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






22. The study of how living and nonliving things interact






23. The effect of the IV






24. Something that breaks down into soil






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






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






27. A living part of an organism's habitat






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






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






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






31. The largest population that an area can support






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






33. Anything in the environment that is used by people






34. The rate of which a plant grows at






35. The variable that you manipulate






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






37. Liphids - proteins - and carbohydrates






38. A consumer that eats both plants and animals






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






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






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






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






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






44. Organism that is killed






45. Moving into a population






46. Mass destruction of most species






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






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






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






50. Leaving a population