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






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






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






4. A consumer that eats only plants






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






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






7. The effect of the IV






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






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






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






11. Liphids - proteins - and carbohydrates






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






13. A material that cannot be recycled or reused






14. Possible to use again






15. The movement or organisms from one place to another






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






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






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






19. An organism that breaks down wastes and dead organisms






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






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






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






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






24. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






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






31. A living part of an organism's habitat






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






33. The organism that the parasite lives in or on






34. Heat from the Earth's interior






35. Anything in the environment that is used by people






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






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






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






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






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






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






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






43. The study of how living and nonliving things interact






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






45. Organism that is killed






46. Moving into a population






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






48. The first species to populate the area






49. Water stored in underground layers of soil and rock






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