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






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






3. The study of how living and nonliving things interact






4. The typical weather pattern in an area over a long period of time






5. A carnivore that feeds on the bodies of dead organisms






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






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






8. The number of different species in a given area






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






10. Moving into a population






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






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






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






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






15. The effect of the IV






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






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






18. An organism that breaks down wastes and dead organisms






19. A material that cannot be recycled or reused






20. Flaw in design of procedure






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






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






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






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






25. Wheat -bairley -corn....carbohydrates






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






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






28. Leaving a population






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






30. Water stored in underground layers of soil and rock






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






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






33. The issue where humans don't take care of the Earth.






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






35. An environmental factor that causes a population to decrease






36. Mass destruction of most species






37. A living part of an organism's habitat






38. The organism that the parasite lives in or on






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






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






41. A relationship in which both species benefit






42. A nonliving part of an organism's habitat






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






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






45. The first species to populate the area






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






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






48. Organism that does the killing






49. A consumer that eats only animals






50. The number of different species in an area