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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. Organism that is killed






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






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






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






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






6. Possible to use again






7. Illegal killing or removal of wildlife from their habitats






8. Mistake in following procedure






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






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






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






12. Wheat -bairley -corn....carbohydrates






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






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






15. Liphids - proteins - and carbohydrates






16. The study of how living and nonliving things interact






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






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






19. Struggle between organisms to survive in a habitat with limited resources






20. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






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






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






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






24. Type of graph most often used for categorical data






25. The largest population that an area can support






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






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






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






29. A living part of an organism's habitat






30. The organism that the parasite lives in or on






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






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






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






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






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






36. The variable that you manipulate






37. A nonliving part of an organism's habitat






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






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






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






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






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






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






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






45. The number of different species in an area






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






47. Resources supplied by nature






48. Heat from the Earth's interior






49. Water stored in underground layers of soil and rock






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