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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. Liphids - proteins - and carbohydrates






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






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






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






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






6. The variable that you manipulate






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






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






9. Capable of being broken down by bacteria or other decomposers






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






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






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






13. A living part of an organism's habitat






14. Illegal killing or removal of wildlife from their habitats






15. The largest population that an area can support






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






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






18. Anything that harms an organism






19. The number of different species in an area






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






21. Heat from the Earth's interior






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






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






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






25. The organism that the parasite lives in or on






26. Mass destruction of most species






27. The amount of food production in a given area






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






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






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






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






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






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






34. A consumer that eats only animals






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






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






37. A consumer that eats only plants






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






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






40. Possible to use again






41. An environmental factor that causes a population to decrease






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






43. Something that breaks down into soil






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






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






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






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






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






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






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