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






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






3. Liphids - proteins - and carbohydrates






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






5. Resources supplied by nature






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






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






8. A series of events in which one organism eats another and obtains energy






9. The effect of the IV






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






11. An environmental factor that causes a population to decrease






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






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






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






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






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






17. The variable that you manipulate






18. The practice of reducing energy use






19. Something that breaks down into soil






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






21. Anything that harms an organism






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






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






24. The amount of food production in a given area






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






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






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






28. The first species to populate the area






29. Capable of being broken down by bacteria or other decomposers






30. The number of different species in an area






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






32. Flaw in design of procedure






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






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






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






36. A living part of an organism's habitat






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






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






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






40. The rate of which a plant grows at






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






42. Illegal killing or removal of wildlife from their habitats






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






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






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






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






47. A consumer that eats only plants






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






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






50. Organism that does the killing