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






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






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






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






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






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






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






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






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






11. The rate of which a plant grows at






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






13. Mistake in following procedure






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






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






16. A consumer that eats both plants and animals






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






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






19. The largest population that an area can support






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






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






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






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






24. Possible to use again






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






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






27. Organism that is killed






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






29. The number of different species in an area






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






31. A relationship in which both species benefit






32. Anything that harms an organism






33. Rice - corn - potatos - wheat - soy beans






34. Resources supplied by nature






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






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






37. Moving into a population






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






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






40. Anything in the environment that is used by people






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






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






43. A consumer that eats only plants






44. A chart with bars






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






46. The movement or organisms from one place to another






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






48. Heat from the Earth's interior






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






50. Leaving a population