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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. The pattern of overlapping food chains in an ecosystem.






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






3. A relationship in which one species benefits and the other is neither helped nor harmed






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






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






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






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






8. The first species to populate the area






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






10. A nonliving part of an organism's habitat






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






12. The organism that the parasite lives in or on






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






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






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






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






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






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






19. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






20. Organism that does the killing






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






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






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






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






25. A chart with bars






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






27. The variable that you manipulate






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






29. Anything in the environment that is used by people






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






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






32. An organism that breaks down wastes and dead organisms






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






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






35. Possible to use again






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






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






38. The largest population that an area can support






39. The amount of food production in a given area






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






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






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






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






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






45. An environmental factor that causes a population to decrease






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






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






48. Moving into a population






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






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







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