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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. Something that breaks down into soil






2. Mistake in following procedure






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






4. A relationship in which both species benefit






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






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






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






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






9. The rate of which a plant grows at






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






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






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






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






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






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






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






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






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






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






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






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






22. The organism that the parasite lives in or on






23. A nonliving part of an organism's habitat






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






25. Mass destruction of most species






26. A living part of an organism's habitat






27. A material that cannot be recycled or reused






28. The amount of food production in a given area






29. An organism that breaks down wastes and dead organisms






30. A consumer that eats both plants and animals






31. The practice of reducing energy use






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






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






34. A consumer that eats only plants






35. An environmental factor that causes a population to decrease






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






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






38. Wheat -bairley -corn....carbohydrates






39. Leaving a population






40. The number of different species in a given area






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






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






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






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






45. Anything that harms an organism






46. Type of graph most often used for categorical data






47. The movement or organisms from one place to another






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






49. Flaw in design of procedure






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