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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. Wheat -bairley -corn....carbohydrates






2. Water stored in underground layers of soil and rock






3. The number of different species in a given area






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






5. An organism that breaks down wastes and dead organisms






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






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






8. A material that cannot be recycled or reused






9. The amount of food production in a given area






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






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






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






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






14. Possible to use again






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






16. The degree of hotness or coldness of a body or environment






17. Organism that is killed






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






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






20. The organism that the parasite lives in or on






21. Liphids - proteins - and carbohydrates






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






23. Leaving a population






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






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






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






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






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






29. The effect of the IV






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






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






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






33. The movement or organisms from one place to another






34. A species in danger of becoming extinct in the near future






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






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






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






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






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






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






41. A consumer that eats both plants and animals






42. A living part of an organism's habitat






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






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






45. Anything in the environment that is used by people






46. The study of how living and nonliving things interact






47. An environmental factor that causes a population to decrease






48. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






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






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