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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 study of the impact of humans on the environment






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






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






4. The movement or organisms from one place to another






5. A material that cannot be recycled or reused






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






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






8. The variable that you manipulate






9. A consumer that eats only plants






10. Something that breaks down into soil






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






12. Countries with strong economies and a high quality of life






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






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






15. Type of graph most often used for categorical data






16. An environmental factor that causes a population to decrease






17. Water stored in underground layers of soil and rock






18. Anything that harms an organism






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






20. A consumer that eats only animals






21. The largest population that an area can support






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






23. Mistake in following procedure






24. An organism that breaks down wastes and dead organisms






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






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






27. The number of different species in a given area






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






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






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






31. An organism's particular role - or how it makes its living






32. A living part of an organism's habitat






33. The amount of food production in a given area






34. Organism that does the killing






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






36. A group of land ecosystems with similar climates and organisms






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






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






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






40. Heat from the Earth's interior






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






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






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






44. The effect of the IV






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






46. A habitat in which the freshwater of a river meets the salt water of an ocean






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






48. A relationship in which both species benefit






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






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