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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 largest population that an area can support






2. Organism that does the killing






3. Wheat -bairley -corn....carbohydrates






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






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






6. Something that breaks down into soil






7. The first species to populate the area






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






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






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






11. The practice of reducing energy use






12. Resources supplied by nature






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






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






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






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






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






18. Farmers who raise food and animals mainly to feed their own families






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






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






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






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






23. The organism that the parasite lives in or on






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






25. The rate of which a plant grows at






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






27. Illegal killing or removal of wildlife from their habitats






28. Anything that harms an organism






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






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






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






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






33. Mass destruction of most species






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






35. An organism that breaks down wastes and dead organisms






36. A consumer that eats both plants and animals






37. The study of how living and nonliving things interact






38. Leaving a population






39. The number of different species in an area






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






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






42. A material that cannot be recycled or reused






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






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






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






46. The effect of the IV






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






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






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






50. A living part of an organism's habitat