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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. The process of cutting down only some trees in area






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






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






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






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






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






7. A consumer that eats only animals






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






9. Moving into a population






10. A chart with bars






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






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






13. A relationship in which both species benefit






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






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






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






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






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






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






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






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






22. The largest population that an area can support






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






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






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






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






27. The practice of reducing energy use






28. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






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






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






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






32. A material that cannot be recycled or reused






33. An environmental factor that causes a population to decrease






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






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






36. A living part of an organism's habitat






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






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






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






40. The movement or organisms from one place to another






41. Organism that is killed






42. The number of different species in an area






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






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






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






46. The organism that the parasite lives in or on






47. The community of organisms that live in a particular area along with their nonliving surroundings






48. Heat from the Earth's interior






49. Illegal killing or removal of wildlife from their habitats






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