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






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






3. An organism that breaks down wastes and dead organisms






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






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






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






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






8. The practice of reducing energy use






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






10. Organism that is killed






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






12. Liphids - proteins - and carbohydrates






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






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






15. A material that cannot be recycled or reused






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






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






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






19. Anything in the environment that is used by people






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






21. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






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






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






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






25. Rice - corn - potatos - wheat - soy beans






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






27. The first species to populate the area






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






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






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






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






32. A chart with bars






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






34. A group of land ecosystems with similar climates and organisms






35. Resources supplied by nature






36. Anything that harms an organism






37. A consumer that eats only plants






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






39. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






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






42. A resource that is not able to be reused - or cannot be replenished quickly






43. The rate of which a plant grows at






44. A nonliving part of an organism's habitat






45. The study of how living and nonliving things interact






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






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






48. The organism that the parasite lives in or on






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






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