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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. An organism that breaks down wastes and dead organisms






2. The first species to populate the area






3. Heat from the Earth's interior






4. Leaving a population






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






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






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






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






9. A living part of an organism's habitat






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






11. Flaw in design of procedure






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






13. A relationship in which both species benefit






14. A material that cannot be recycled or reused






15. The practice of reducing energy use






16. Organism that does the killing






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






18. Moving into a population






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






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






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






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






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






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






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






26. Anything in the environment that is used by people






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






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






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






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






31. A chart with bars






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






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






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






35. The largest population that an area can support






36. Water stored in underground layers of soil and rock






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






38. A consumer that eats only animals






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






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






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






42. A consumer that eats only plants






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






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






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






46. Anything that harms an organism






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






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






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






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