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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. Rice - corn - potatos - wheat - soy beans






2. The effect of the IV






3. Anything in the environment that is used by people






4. Possible to use again






5. Mass destruction of most species






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






7. The organism that the parasite lives in or on






8. Organism that is killed






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






10. Liphids - proteins - and carbohydrates






11. The number of different species in an area






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






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






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






15. A material that cannot be recycled or reused






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






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






18. Illegal killing or removal of wildlife from their habitats






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






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






21. The first species to populate the area






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






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






24. Something that breaks down into soil






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






26. A living part of an organism's habitat






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






28. The study of how living and nonliving things interact






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






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






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






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






33. The condition in which human needs are met in such a way that a human population can survive indefinitely






34. The rate of which a plant grows at






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






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






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






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






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






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






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






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






43. A nonliving part of an organism's habitat






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






45. The largest population that an area can support






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






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






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






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






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