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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. Water stored in underground layers of soil and rock






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






4. The largest population that an area can support






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






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






7. An organism that breaks down wastes and dead organisms






8. A nonliving part of an organism's habitat






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






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






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






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






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






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






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






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






17. Type of graph most often used for categorical data






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






19. Liphids - proteins - and carbohydrates






20. The variable that you manipulate






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






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






23. The study of how living and nonliving things interact






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






25. Possible to use again






26. Mass destruction of most species






27. Something that breaks down into soil






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






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






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






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






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






33. Flaw in design of procedure






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






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






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






37. Wheat -bairley -corn....carbohydrates






38. Illegal killing or removal of wildlife from their habitats






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






40. A living part of an organism's habitat






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






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






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






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






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






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






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






48. A relationship in which both species benefit






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






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