Test your basic knowledge |

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 effect of the IV






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






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






4. An organism that breaks down wastes and dead organisms






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






6. Type of graph most often used for categorical data






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






8. The amount of food production in a given area






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






10. A consumer that eats both plants and animals






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






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






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






14. The largest population that an area can support






15. Leaving a population






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






17. Anything in the environment that is used by people






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






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






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






21. An environment that provides the things an organism needs to live - grow and reproduce






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






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






24. Liphids - proteins - and carbohydrates






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






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






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






28. A consumer that eats only animals






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






30. The number of different species in a given area






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






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






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






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






35. A material that cannot be recycled or reused






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






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






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






39. Organism that does the killing






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






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






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






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






44. The disappearance of all members of a species from Earth






45. The movement or organisms from one place to another






46. Something that breaks down into soil






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






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






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






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