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






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






3. Flaw in design of procedure






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






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






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






7. The amount of food production in a given area






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






9. A resource that is able to be reused - or can be replenished quickly






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






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






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






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






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






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






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






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






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






19. The number of different species in an area






20. A relationship in which both species benefit






21. The largest population that an area can support






22. The variable that you manipulate






23. The organism that the parasite lives in or on






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






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






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






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






28. The number of different species in a given area






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






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






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






32. A consumer that eats only plants






33. Heat from the Earth's interior






34. A chart with bars






35. The rate of which a plant grows at






36. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






37. An environmental factor that causes a population to decrease






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






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






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






41. The study of how living and nonliving things interact






42. Wheat -bairley -corn....carbohydrates






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






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






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






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






47. The act of restricting your food intake (or your intake of particular foods)






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






49. Organism that is killed






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