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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 chart with bars






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






3. Type of graph most often used for categorical data






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






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






6. Mass destruction of most species






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






8. A material that cannot be recycled or reused






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






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






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






12. A living part of an organism's habitat






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






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






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






16. The first species to populate the area






17. The practice of reducing energy use






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






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






20. The number of different species in a given area






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






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






23. The number of different species in an area






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






25. Mistake in following procedure






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






27. The rate of which a plant grows at






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






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






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






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






32. The variable that you manipulate






33. Heat from the Earth's interior






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






35. Organism that is killed






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






37. Possible to use again






38. Organism that does the killing






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






40. A consumer that eats only plants






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






42. Struggle between organisms to survive in a habitat with limited resources






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






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






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






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






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






48. The movement or organisms from one place to another






49. The study of how living and nonliving things interact






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