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






4. Anything that harms an organism






5. Organism that does the killing






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






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






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






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






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






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






12. The effect of the IV






13. The number of different species in an area






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






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






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






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






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






19. The amount of food production in a given area






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






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






22. Illegal killing or removal of wildlife from their habitats






23. A consumer that eats only plants






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






25. Heat from the Earth's interior






26. A relationship in which one species benefits and the other is neither helped nor harmed






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






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






29. The variable that you manipulate






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






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






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






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






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






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






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






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






38. A material that cannot be recycled or reused






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






40. The organism that the parasite lives in or on






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






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






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






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






45. The number of different species in a given area






46. Leaving a population






47. Something that breaks down into soil






48. A consumer that eats only animals






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






50. Flaw in design of procedure